Antennas
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Antennas for HAM Radio
Monoband or multi-band. Vertical or directional. Base or mobile. Transmitting or receiving. No matter what type of antenna or antenna system you need, you’ll find it...
Monoband or multi-band. Vertical or directional. Base or mobile. Transmitting or receiving. No matter what type of antenna or antenna system you need, you’ll find it at DX Engineering. Choose from a wide range of antenna types, including single-band, dual-band, multi-band, vertical, trap vertical, wire, Yagi, VHF/UHF and HF/VHF mobile, and more. DX Engineering receive antenna systems feature the best designs available for HF DXing, as well as for “AM DXing” on the MW Broadcast Band and for the Short Wave Listening bands (SWL). Maximize your signal and minimize noise with antenna accessories such as antenna switches, vertical...
Monoband or multi-band. Vertical or directional. Base or mobile. Transmitting or receiving. No matter what type of antenna or antenna system you need, you’ll find it at DX Engineering. Choose from a wide range of antenna types, including single-band, dual-band, multi-band, vertical, trap vertical, wire, Yagi, VHF/UHF and HF/VHF mobile, and more. DX Engineering receive antenna systems feature the best designs available for HF DXing, as well as for “AM DXing” on the MW Broadcast Band and for the Short Wave Listening bands (SWL). Maximize your signal and minimize noise with antenna accessories such as antenna switches, vertical add-on kits, variable phasing controllers, baluns, radial and tilt base plates, preamplifiers, and more. Fortify your existing antenna or build your own with high-quality brackets, clamps, tubing and supports from DX Engineering. Shop here for HAM radio antennas, antenna systems, and antenna components from the best: DX Engineering, Cushcraft, Hy-Gain, Hustler, COMTEK SYSTEMS, Diamond Antenna, and more!
DX Engineering RPA-2 Modular Receive Preamplifiers
DX Engineering RPA-2 Modular Receive Preamplifiers are newly designed versions of the RPA-1 with internal slots for accessory modules. They accommodate the addition of the one optional plug-in module, such as the 75 to 50 ohm Impedance Transformer Module, or the Receiver Guard 5000HD Plug-In Module, or the DX Engineering Clifton Laboratories Z10020 AM Band Filter Module. DXE-RPA-2 preamps have very low internal noise and are optimized for the 300 kHz to 35 MHz range. They help you hear the weakest signals without artificially raising the noise. Meticulous craftsmanship and durable, robust components allow these preamplifiers to withstand high signal levels while providing superior dynamic range and third-order intercept performance that equals or exceeds most receiver and transceiver front-ends. RPA-2 Receive Preamplifiers have key features added, as requested by our tech-oriented customers and enthusiasts: - Internal slot accommodates the optional 75 to 50 ohm Impedance Transformer Module to accomplish typical receive antenna feedline to equipment transitions without losses -Also allows direct connection to 50 ohm receive antenna feedline BNC connectors with no transformer required - Internal slot for DXE-RG5000HD-PM Receiver Guard 5000HD Plug-In Module – Front-end protection for the RPA-2 - Secure BNC female connectors and receive-system friendly F female connectors remain; both prevent accidental connection to transmitting devices with UHF connectors - A green LED indicates when DC power is present and the preamplifier circuit is engaged. - An ingenious positive-capture threaded-sleeve 2.1 mm power connector that ensures the DC power cannot be accidentally disconnected from the RPA-2. - Alternatively, a simple internal jumper change allows the RPA-2 to be powered by DC on the feedline While many other common preamplifiers suffer from harmonic distortion, RPA-2 Modular Receive Preamplifiers include our exclusive, advanced push-pull design that eliminates harmonic distortion. Their high quiescent current increases their ability to handle strong signals without distortion or overload. These high performance devices must be powered with a well filtered and regulated DC power supply and will offer maximum performance at 12 to 18 Vdc input. Please do not use a cheap wall transformer or noisy switching wall-wart to power these top-of-the-line preamplifiers. Indoor installation at the back of the radio is recommended for RPA-2. For those who want to place them in an enclosure at a receive antenna system, a handy internal jumper allows these new units to be powered on the coaxial cable. RPA-2 Receive Preamplifier Specifications: -Input and Output Connectors, female: BNC and F -Frequency Range: 300 kHz to 35 MHz -Gain: 16 dB, +/- 1.5 dB (over entire frequency range) -Output Third Order Intercept: 43 dBm -Noise Figure: 3.5 dB -One dB Compression Point: +26 dBm (400 mW output) -Dynamic Range, IM3: 110 dB or greater (500 Hz bandwidth) -Power Requirement: 12-18 Vdc, 140 mA max. Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. DX Engineering RPA-2 Modular Receive Preamplifiers offer superior receiving results on crowded medium wave and shortwave bands as well as on the ham bands. SWLs and Radio Amateurs around the world have come to rely on the advanced operational performance of DX Engineering Receive Preamplifiers. You will be able to pull in the weakest signals and snag that rare one, under the most difficult conditions, when you need it the most. Order your DX Engineering RPA-2 today!
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$269.99
Moonraker M-100 Professional 24-2300 MHz Preamplifier
Using GaAs FET technology, Moonraker M-100 Professional 24-2300 MHz Preamplifiers feature a variable gain control, -10 to +22 dB, and switched band pass filters to minimize interference. This preamp can be powered by an internal 9V battery or externally from 12 Vdc supply (not included). It comes complete with input and output BNC female connectors and BNC patch cable. Key Features and Specifications: Frequency coverage: 24-2300MHz Band Selections: Band A: 225-1500MHz Band B: 108-185MHz Band C: 24-2300MHz Gain: Variable, -10 TO +22dB Impedance: 50 ohms
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$109.99
Moonraker MRP-2000 MK2 25-2000 MHz Scanner Preamplifier
This is the fantastic MRP-2000 MK2 wideband pre-amplifier for scanners or receivers! It covers 25-2000MHz with up to 20dB gain. It comes complete with BNC connectors and patch cable and requires an internal 9 V battery for immediate use! It can also run on 9 -15 Vdc. Boost the power of your scanner and hear those long-distance signals! Specifications: * Frequency Range: 25 to 2000 MHz * Gain: +6 to 20 dB * Impedance: 50 ohms * Weight: 15g (0.54 lbs.) * Size: 100 x 53 x 38mm (3.937 x 2.087 x 1.496 in.) * Power, Internal: 9V battery * Power, external: 9 to 15 Vdc via, 2.1mm power jack, center positive
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$82.99
DX Engineering Portable Receive Preamplifier-Attenuator
DX Engineering Portable Receive Preamplifier-Attenuator DXE-NL-PRE-ATT-1 – A very handy device to use with your receiver; handheld, portable or base. This attractive, light-weight unit comes completely assembled and tested, and provides a nominal 30 dB gain across the frequency range from 100 kHz through 30 MHz. Powered by an internal 9 volt battery (not included), it features BNC connectors for RF Input and Output, easy to use slide switches and a 'power on' LED when the preamp is on. Attenuation is selected with switches for -10 dB or -20 dB and -30 dB with both. Plus, an AM Broadcast Band Rejection Filter can be switched in or out, as needed. This unit measures 3.25 x 7.00 x 1.00 in. (WHD) and weighs approx. 8.5 oz. with the user supplied 9V battery installed. This preamplifier has a Noise Figure (NF) of 4.5 dB. This Portable Preamplifier-Attenuator is a perfect companion device for use with the DXE-NOISELOOP WD8DSB Portable Receive Flag Antenna Kit, for RFI noise finding and for MW through SW receiving. NOTE: The DXE-NL-PRE-ATT-1 Portable Receive Preamplifier-Attenuator is a Receive Only device. Attempting to transmit RF into this unit will cause damage that is not covered by warranty.
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$175.99
SSB Electronic Mast-Mount Preamplifiers
SSB Electronic Mast-Mount Preamplifiers are low-noise, band-specific, weatherproof preamplifiers designed for installation near VHF and UHF antennas. Available for the 6 meter, 4 meter (Europe), 2 meter and 70 cm Amateur bands, these preamplifiers are installed in-line, at the antenna. They improve receive performance by amplifying weak signals before feedline loss can reduce them. Powering and Sequencing Most models can be powered remotely through the coaxial cable, and many modern transceivers include a built-in bias-tee for mast-mounted preamplifiers. If the transceiver or transverter system does not provide power, an external bias-tee or remote-feed unit is required. • The DCW-15 and DCW 2004B provide sequencing support. • The DCC-12 does not provide sequencing. • SP series preamplifiers include a built-in RF VOX circuit for safe operations up to 100 watts; for transmit power above 100 watts, PTT control with a sequencer is required. Some models require a direct DC connection (UHF female). • -S series preamplifiers feature lower current signal relays with slightly higher insertion loss. • MHP and MHP-S series preamplifiers versions require sequencer control (see below). Signal Filtering and Switching Built-in helix filters effectively reject out-of-band signals, helping maintain clean receive performance. Real coaxial relays handle transmit/receive switching, resulting in very low insertion loss (except for SP-S series). And each amplifier is carefully calibrated at multiple test stations before packaging. Dual-Band Models Dual-band models include built-in diplexers, so they require only one connection for the multiband antenna and one connection for the station coaxial cable. MHP Series for Demanding Stations The MHP series is designed for demanding operating environments and provides higher gain for weak-signal modes such as Tropo-DX and EME. With maximum transmit power handling of 1500 watts on 6m and 2000 watts on 2m and 70cm, these preamplifiers are well suited for contesting, DX, and EME operation. Important Note for MHP Models Bias-tee power (on the RF coax) is not supported in most MHP Preamplifiers. They must be powered directly using the appropriate cable size for the required distance, and they may only be operated with a correctly wired sequencer, such as the DCW 2004 B Sequence Controller. Transmitting high power without a directly wired sequencer is likely to damage the MHP preamplifier. Housing and Hardware All SSB Electronic Mast-Mount Preamplifiers are supplied in UV-resistant, weatherproof housings with Type N female connectors. Hot-dip galvanized clamps and stainless steel mounting hardware are included. See individual models for band coverage and detailed specifications.
Not Yet Reviewed
$480.99
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$2,888.99
DX Engineering Clifton Laboratories Z10046 High-Gain Preamplifiers
DX Engineering Clifton Laboratories High-Gain Preamplifiers are adapted, assembled versions of the circuit project kits developed by Jack Smith, K8ZOA (SK). This is our version, the DXE-Z10046B-PM High-Output Preamplifier with 23dB gain, which is virtually identical to its predecessor in specs and performance. This versatile module preamp can plug directly into the DXE-NCC-2 and DXE-RTR-2 units. Also, you can easily create a separate high-performance in-line receive-only preamplifier with the DXE-Z10046B-PM module installed in our DXE-DMC-2 Dual Module Chassis. The legacy built by Jack Smith, K8ZOA (SK) with Clifton Laboratories lives on with select products by DX Engineering.
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$109.99
SSB Electronic LNA Series Low-Noise Preamplifiers
SSB Electronic LNA Series Low-Noise Preamplifiers are newly developed low-noise receiving amplifiers for the 6m, 2m and 70cm bands, featuring super low noise with high gain, making them ideal for use in EME (moon bounce), MS (meteor scatter), Aurora and tropo-DX operations. High performance is reflected in exceptional IP3 test figures (35dBm, typical), to provide strong signal immunity. Very good rejection of strong signals near and far guarantees interference-free operation, even in the vicinity of other radio transmissions from commercial and broadcast stations as well as mobile carriers. The input circuit of the amplifier is built with high quality components in a chamber construction, optimized for the best noise characteristics. The bandpass at the output of the amplifier ensures very good in-band selection with signals outside the pass band effectively suppressed. The LNA Series Preamplifiers do not have RX/TX relays and are intended for receiving applications. LNA Series Preamplifiers are built in a sturdy tinplate housing, suitable exclusively for indoor applications (Ip41 to DIN EN 60529). Choose between models that have two Type-N female connectors, Type-N Male and Female, and SMA female. These amplifiers can be powered via an external cable or via a coaxial bias tee (remote power supply). The -MA weatherproof variant of the receive-only LNA series is characterized by a robust, IP44-protected housing, allowing the high-quality preamplifier to be mast-mounted close to the antenna using Type-N connectors only. Power is supplied exclusively over the coax. If your receiver does not output 12-15 VDC receive preamplifier power onto the antenna feedline, use the SSB Electronic DCC-5000PRO Bias Tee (remote power inserter).
Not Yet Reviewed
$316.99
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$502.99
I0JXX Mast Mount Low Noise Preamplifiers
I0JXX Mast Mount Low Noise Preamplifiers offer high gain amplification with excellent noise figures in VHF and UHF amateur band optimized devices for casual operation or contest-grade directional antenna systems. Built for long-term tower top use, two high-power SPDT coaxial relays are used to protect the internal, band-specific I0JXX LNA using low-loss and high-isolation interconnections. These exceptional components are housed in a specialized weather and UV resistant polyamide black case with a drip edge surrounding two downward facing Type N female connectors mounted on a rugged, 12 gauge (2mm) aluminum panel. A separate female BNC is for DC power and control voltage, intended to be sent from the required sequencer via an inexpensive coaxial cable. Extraordinary receive-transmit-receive changeover performance is achieved by these compact 12VDC mast mounted units. Their internal LNA (low noise amplifiers) offer preamplification using ultra-low noise components as good or better than a typical receiver front end, which preserves the capabilities of a low-noise antenna or stacked array and the transceive system. The internal relays are connected to bypass the internal preamplifier when power is removed. An I0JXX SEQJXXBOX Sequencer can be used to control the I0JXX Mast Mount Low Noise Preamplifiers for two-way VHF or UHF communications. I0JXX Mast Mount Low Noise Preamplifiers are built with high quality components for many years of service. View the band unit specific specifications on each part detail page.
Not Yet Reviewed
$700.99
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$827.99
SSB Electronic LNA-30 Broadband 5 kHz – 30 MHz Low Noise Mast-Mount Preamplifiers
SSB Electronic LNA-30 Broadband 5 kHz – 30 MHz Low Noise Mast-Mount Preamplifiers cover the VLF, LF, and MF range, including the 2200 through 10 meter Amateur bands. Only for receiving applications, the LNA-30 is used to transform a simple wire or small whip antenna into a powerful broadband receiving antenna. This allows, for example, an SDR receiver to be operated in an unfavorable location with limited space and still deliver very good results. A skimmer or The LNA-30 amplifies the signals received by about 20 dB. The operating power can be varied for effect from 12 and 24V, with higher gain achieved at 24V, but the lowest figure at 12V. A very RF quiet, well filtered linear power supply should be used, not a switching power supply, which connects to this mast-mounted preamplifier via a separate coaxial cable; a UHF female handles the power input. The LNA-30 handles the RF separately with Type-N female connectors for antenna and receiver. When power is removed the preamplifier turns of and no signal from the antenna passes, making this an "always on" broadband preamplifier. The LNA-30 may be mounted on masts up to 2.25 in. (58mm), is weatherproof, and should be placed outside, close to the receive antenna. This preamplifier cannot pass RF power and is not suitable for transmitting operations.
Not Yet Reviewed
$429.99
I0JXX LNA Receive Preamplifiers
I0JXX LNA Receive Preamplifiers offer high gain amplification with very low internal noise for VHF and UHF amateur band optimized devices used world-wide by experimenters and contest enthusiasts. Excellent receive-only performance at low current is achieved by these compact 12VDC units, available in two connector configurations: SMA female input and output, or Type N male input and female output. LNA (low noise amplifiers) offer preamplification using ultra-low noise components as good or better than most receiver front ends, to preserve the capabilities of a low-noise antenna system. Typically, they do not have relays in the signal path that might introduce noise or loss. These devices can be used directly in most receive applications and may be used to build a sequencer-controlled Receive-Transmit relay system for two-way VHF or UHF communications. I0JXX LNA Receive Preamplifiers are built with high quality components including low-loss FR4 copper clad PCBs and environmentally safe tri-chrome high-conductivity passivated aluminum chassis. View the specific device specifications on each part detail page.
Not Yet Reviewed
$191.99
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$223.99
SSB Electronic LNA-5000 50–5000 MHz Wide Band Mast-Mount Preamplifiers
SSB Electronic LNA-5000 50–5000 MHz Wide Band Mast-Mount Preamplifiers increase signal sensitivity for scanners, receivers, and measuring devices. They may also serve as a low-power amplifier or buffer amp. Built with a modern MMIC on a low-loss ceramic microwave substrate, it provides approximately 20 dB gain, a low 2 dB noise figure, excellent large-signal handling with IP3 greater than 30 dBm, and input IP values improved by 20 dB over the previous version. An input amplitude limiter helps protect against electrostatic discharge. The LNA-5000 supports up to 160 mW PEP / 20 dBm output, uses Type-N female connectors, covers 50 to 5000 MHz, and operates from a 10–20 VDC supply either directly through the DC Input UHF female connector or remotely through the RF coax using an optional DCC-5000PRO Bias Tee.
Not Yet Reviewed
$284.99
DX Engineering Clifton Laboratories Z10000 Buffer Amplifiers
DX Engineering Clifton Laboratories Z10000 Buffer Amplifiers may be the products most often requested by radio experimenters and electronics enthusiasts. These are the very popular circuits, designed by Jack Smith, K8ZOA (SK), that are crucial for adding a SDR receiver and panadapter display capabilities to a receiver or transceiver which lacks that feature. The Z10000 Buffer Amplifier's high-input impedance can safely tap the early-stage broadband Intermediate Frequency (IF) signal from inside your radio and feed the buffered and amplified low impedance IF signal to your external SDR receiver. It can then produce a spectrumscope - waterfall display pattern of the receiver signals on a compatible tablet or monitor and PC that is running the appropriate third party SDR software. DX Engineering offers two Clifton Labs Buffer Amplifier Kits to add an IF output SMA connector to the rear panel of your radio: * The DXE-Z10000U-KIT is the Universal Buffer Amplifier Kit that covers 50 kHz to 100 MHz. This kit is designed for those willing to do an internal modification, and will output the IF signal of virtually any receiver or transceiver that has an IF in that range. However, the DXE-Z10000U-KIT can be used as a buffer and low-gain preamp between any low level RF devices that operate in that range. As a buffer, this circuit provides over 90dB of reverse isolation to protect the IF stages of the radio from possible birdies on an SDR receiver input. So, even if your radio has an IF output connector, the DXE-Z10000U-KIT may be used externally, with a user-supplied shielded metal enclosure, to be certain to maintain proper radio operation. * The DXE-Z10000K2-KIT is the Buffer Amplifier Kit specifically tuned to the 4.915 MHz IF signal of the Elecraft K2 transceiver. It offers the same high reverse isolation, plus the added benefit of a tuned IF input with a narrower bandwidth of operation and a potentially a lower noise floor on the output. Both Buffer Amp kits contain the updated, completely assembled and tested DX Engineering Z10000C PC Board with a nominal 6.5 dB gain, retaining all the benefits of the reliable original Z10000B boards. Both kits include our finished printed circuit board, required coaxial cables assemblies with special connectors, insulating materials, and hardware—all for an easier installation than ever before! A third party SDR receiver, software (typically free) and compatible tablet or PC and monitor are required to make use of the IF signal provided by the Z10000 Buffer Amplifier and see the signals that your old radio can hear. Due to the high number of specialized radio installations, no printed instructions are included with these buffer kits. Instructional web links are found on the part detail webpages. Installation web documents and videos are only available online. The legacy that was built by Jack Smith, K8ZOA (SK), with Clifton Laboratories, lives on with select products, exclusively from DX Engineering. NOTE: DX Engineering cannot provide electronic technical support of devices installed in user radios and is not responsible or liable for damages that occur to a user radio due to improper or erroneous techniques during the installation of this product. Unplug all electronic devices when working on them and observe all electrical safety and electrostatic discharge precautions when opening sensitive electronics. Modification of a radio should only be attempted by individuals with advanced experience on electronic circuit repair and operation.
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$51.99
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$61.99
QRO.cz RX Preamp and Bias Tee Module Box Combo
This powerful combo from QRO.cz includes the RX Preamp Module Box with a 2N5109 transistor and a Bias Tee Voltage Injector, offering a complete solution for enhancing receive-only antenna systems. The preamp is based on the proven W7IUV design and delivers up to 18dB of gain with a built-in variable attenuator, allowing precise control over signal amplification. A multi-turn potentiometer enables fine-tuning of the transistor bias for optimal linearity and performance. Two onboard relays automatically switch the unit to bypass mode when power is not present. Power can be supplied either directly via an external DC source or through the included bias tee, which injects DC voltage into the coaxial feedline while isolating the radio from DC current. The bias tee simplifies installation by combining RF and DC over a single coaxial cable, making it ideal for powering remote devices like preamps, relays, or antenna switches. Together, these components provide a clean, efficient, and flexible receive system for antennas such as beverages, Double Half Delta Loops, flags, and other popular RX designs.
Not Yet Reviewed
$299.99
QRO.cz RX Preamp Module Boxes
QRO.cz RX Preamp Module Boxes, featuring the 2N5109 transistor, are based on the proven W7IUV design and are ideal for use with receive-only antennas such as beverages, Double Half Delta Loops, flags, and other popular RX antenna designs. The Preamp Box offers up to 18dB of gain, with a built-in variable attenuator that allows you to easily adjust the gain to your desired level. A multi-turn potentiometer lets you fine-tune the transistor bias for optimal performance. The unit includes two relays that automatically switch to bypass mode when no power is supplied. Power can be provided either through a direct external DC connection or via a bias tee for power over coax.
Not Yet Reviewed
$123.99
DX Engineering RF-PRO-1B® Active Magnetic Loop Antennas
New Name...Same Antenna! DX Engineering RF-PRO-1B® Active Magnetic Loop Antennas are designed for low-noise reception of signals within the frequency range of 100-kHz to 30-MHz. Their integral, extra-high dynamic range, low-noise preamplifier is designed for minimum intermodulation distortion in the presence of very high-level signals that would normally overload most preamplifiers. Read more about the exclusive Clifton Laboratories design of the loop's RF-30 preamplifier by clicking "More Details" below. RF-PRO-1B Active Magnetic Loop Antennas, formerly known as the "Pixel Loop" and recently as InLogis, are now manufactured and serviced by DX Engineering. For Amateur Radio operators, AM DXers and Short-Wave Listeners, these active loop antennas are a great way to extend your listening ability. Add DX Engineering RF-PRO-1B® Active Magnetic Loop Antennas to your radios and start hearing more signals with less noise! Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information.
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$809.99
DX Engineering RF PRO Loop Replacement Components
Since DX Engineering manufactures the RF-PRO-1B® Active Magnetic Loop Receive Antenna, we can offer these RF PRO Loop Replacement Components. Available for refurbishing Pixel, InLogis or DX Engineering Active Magnetic Loops, choose one or more of these individual "Original Equipment" components, component set or handy accessory pack that fills your needs. 1. DXE-RFPRO1B-PA Receive Preamplifier has this new part number for the preamp unit only. This is the weatherproof, metal-encased replacement RF PRO 1B Receive Preamplifier that mounts directly onto the loop bracket. Mounting hardware is not included with this replacement low-noise preamp, but it is available in the… 2. DXE-RFPRO1B-OAP Outdoor Accessory Pack. This package contains the insulated shoulder washers, flat washers and nuts to properly mount the preamp. Also included in this outdoor package for the loop installation are the mast mounting V-Bolts and Saddles and the short RG-6 F connector jumper to connect the loop to the preamp, and weather sealer. User supplied RG-6 coaxial cable is used for the long feedline that is run inside to the… 3. DXE-RFPRO1B-PI Power Inserter. This is the indoor unit that puts a well filtered and regulated 20 Vdc power onto the feedline for the preamp. It carries the loop RF to the receiver via the F connector. This unit also disables the power to the preamp when it is keyed by the transceiver amplifier keying line. The Power Inserter is run on 24 Vac from the… 4. DXE-PSW-24A-6AU AC Adapter. This clean power supply is a linear transformer that converts 120 Vac to the 24 Vac at 600 mA required by the Power Inserter. It is has the attached 2.1mm power connector. 5. DXE-RFPRO1B-IAP Indoor Accessory Pack contains the cables and adapter to connect the transceiver RF and keying lines to the Power Inserter. The F connector coaxial cable connects RF from the Inserter to the radio. A supplied F female to PL-259 adapter facilitates that connection, should you radio need it. An RCA phono patch cable is supplied for keying the Power Inserter and a RCA phono y-adapter provides the additional keying line connection for a power amplifier. 6. DXE-RF-30B Complete Component Package is for a system replacement where only an existing RF PRO 1B Loop is available. All of the above individual components, cables and hardware items listed above, items 1 through 5, but not the loop, are included in this DXE-RF-30B package. 7. DXE-PRO-LOOP is the Replacement RF PRO 1B Loop that is ordered by customers who have all other components of their system working. When your damaged or defective loop needs to be replaced, this is the loop only part to order. RF-PRO-1B® Loops may occasionally need a replacement component or hardware package. DX Engineering RF PRO Loop Replacement Components are available right here, at DX Engineering!
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$17.49
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$464.45
QRO.cz RX AuditePRE SDR Antenna Switch Controllers
QRO.cz RX AuditePRE SDR Antenna Switch Controllers combine the functionality of a T/R switch, a receive antenna input and a receive splitter with specialized switching, all with RF limiter protection. The transmit/receive (TX/RX) main antenna can be shared with both outputs, transceiver and receiver (SDR) with RF power limiter protection. These versatile devices are perfect for use with a separate SDR receiver for Spectrum Panadapter, WebSDR or as a Skimmer Server to contribute spots to the Reverse Beacon Network (RBN). The RX-AuditePRE features frequency coverage of 100 kHz–60 MHz including 160 through 6 meters with a maximum transmit power handling of 200W and a switchable 16 dB preamplifier. Included in the Package: RX-AuditePre Switch – Assembled and Tested DC Cable – DC barrel connector to stripped and tinned wires
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$509.99
DX Engineering Plug-in Modules
A new series of Plug-in Modules are available specifically for new DX Engineering devices that accept them. Details on each module are found at each part. DX Engineering Plug-in Modules include: * DXE-RPA-2-PM Receive Preamplifier Plug-in Modules * DXE-RG5000HD-PM Receiver Guard 5000HD Plug-in Modules *DXE-IT-PM 75 to 50 ohm Impedance Transformer Modules Modules for High Pass and Band Pass Filter Plug-in Modules are coming in 2017. These new Plug-in Modules are optional devices for the following new DX Engineering devices: * DXE-NCC-2 Receive Antenna Phasing Systems * DXE-RPA-2 Modular Receive Preamplifiers * DXE-RTR-2 Modular Receive-Transmit Interfaces * DXE-DMC-2 Dual Module Chassis Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. Discover new ways to equip your world-class station with DX Engineering Plug-in Modules for your DX Engineering devices. Click below on More Details to learn more!
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$35.99
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$84.99
DX Engineering Dual Module Chassis
The DX Engineering Dual Module Chassis is the connector and power interface box for all DX Engineering and Clifton Laboratories Plug-In Modules and Receive Filters. The DXE-DMC-2 is a versatile multi-purpose DX Engineering receive device box. It can be used for two passive plug-in modules or one powered module and one passive module. It is a great way to create a wide pass filter, or protect a receiver with a filter and a limiter, or add a preamplifier that has filtering or limiter protection. Here are the modules that can internally plug into the DX Engineering Dual Module Chassis: • DXE-Z10020-PM - Clifton Laboratories Z10020 AM Band Filter Module • DXE-Z10046B-PM - Clifton Laboratories Z10046 High-Gain Preamplifiers • DXE-RG5000HD-PM - Receiver Guard 5000HD Plug-in Module (passive) • DXE-IT-PM - 75 to 50 Ohm Impedance Transformer Plug-in Module (passive) • DXE-RPA-2-PM - Receive Preamplifier Plug-in Module (powered) • DXE-RXFL-1 - Receive Filter Adapter Board, for RXFL Filters (passive) One DXE-RXFL-1 Receive Filter Adapter Board is required to install any one of the RXFL filters listed below. They fit into the DXE-DMC-2, as well as the DXE-NCC-2, DXE-RTR-2 and DXE-RPA-2. The DXE-DMC-2 can accommodate one or two filters to create the filter type and input signal band pass frequency coverage and limitations that serves your needs. NOTE: The transition from the natural aluminum to the black powder coated chassis is occurring in early 2020. There is no internal electronic difference between them. Click on more details to see how you can build the receive accessory of your desires with the DX Engineering Dual Module Chassis.
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$195.99
DX Engineering Beverage Antenna System Combos
DX Engineering Beverage Antenna System Combos are single-wire single-direction Beverage antenna feed systems. These combos include DX Engineering's superb receive preamp and the Beverage antenna feedpoint transformer! The included BFS-1 transformer design makes them immune to the strong signal overload and core saturation. The isolated-winding matching transformer significantly increases the signal-to-noise ratio in Beverage and other high-impedance antennas. The included termination resistor is a special 470 ohm, 2 watt, non-inductive resistor that withstands nearby lightning strikes. Also included, the DXE-RPA-2 Modular Receive Preamplifier is the best low noise, receive preamps available… period. It is optimized for the 300 kHz through 35 MHz frequency range with an advanced push-pull amplifier design that eliminates harmonic distortion and it handles strong signals without distortion or overload. The DXE-RPA-2 Modular Preamp features one internal option slot for a plug-in module. Choose from the DXE-RG5000HD-PM Receiver Guard, the DXE-IT-PM 75 to 50 ohm Impedance Transformer, or use a RXFL Filter Adapter and a Receive Filter board for band pass, high pass or low pass filtering. Click "More Detail" for additional information. The "Documentation" tab contains links to associated files. SWLs and Radio Amateurs around the world have come to rely on the exceptional performance of DX Engineering products. Order one of these DX Engineering Beverage Antenna System Combos to get excellent MW and HF reception with your Beverage antenna.. * Important Note regarding DX Engineering Protection Plans and Kit Combo Contents Protection plans cannot be purchased for combination packages or on applicable devices after shipment. DX Engineering Combination Kits and Packages are designed to help you easily visualize and order the right items for your specific needs. However, we encourage you to contact our experienced Technical Sales Team for assistance. We can help adjust the kit contents, suggest substitutions based on stock availability, and offer DXE Protection Plans for radios and devices when applicable. Contact us for Expert assistance and make informed purchasing decisions with our guidance.
Not Yet Reviewed
$385.98
DX Engineering Reversible Beverage Antenna System Combos
DX Engineering Reversible Beverage Antenna System Combos allow two Beverage antennas to be switched to receive in opposite directions while sharing the same physical space. These exciting new reversible Beverage combos include DX Engineering's superb receive preamp! Dramatically improved weak signal results can be achieved on MW, BCB, 160, 80 and 40 meter bands and shortwave bands with receive-only Beverage wire antennas that are typically 350 to 800 feet long, depending upon the lowest band of interest. DX Engineering Reversible Beverage System Combos are immune to the strong signal overload and core saturation common in multi-transmitter contesting environments. Reversible Beverages have two antenna F connectors; one "Away" port for the default end-fire receiving pattern off the end of the wire, and one "Toward" port for the opposite direction. Applying a negative 10 to 18 V DC to the feedline switches the system between the two antenna ports for reception in opposite directions. You can build a 4-direction receive antenna system with two reversible Beverage systems and one DX Engineering RLS-2 Two-Port Receiving Switch that also requires only one feedline! The optional DX Engineering Feedline Voltage Coupler, model DXE-FVC-1 is highly recommended to provide all of the required feedline voltage injection. Plus, the optional DXE-EC-4 BCD Control Console completes the system for four-direction switching right in the shack. These RBS systems will work with any 300-600 ohm 2-wire line. For best low-loss low-noise results, use DX Engineering flooded or quad-shielded 75-ohm coax; with our F-type compression connectors to ensure a weatherproof installation. DX Engineering RPA-1 Receive Preamplifiers use RCA-type phono jacks and CATV Type-F female connectors for the input and output connections to prevent accidental connection to transmitting devices. RPA-1 Receive Preamplifiers feature a built-in relay that automatically bypasses the preamplifier circuit when DC power is removed. These high performance devices must be powered with a well filtered and regulated DC power supply and will offer maximum performance at 12 to 18 V DC input. Details for DX Engineering Reversible Beverage Antenna System Combos: Receive preamp: * Gain: 16 dB, +/- 1.5 dB, from 300 kHz through 35 MHz * Dynamic range (IM3) at 500 Hz BW: 110 dB or greater * Output Third Order Intercept: +43 dBm * Noise figure: 3.5 dB * Compression: 1 dB at +26 dBm (nominally 0.4 W output) * Power requirement: 12-18 V DC at 140 mA maximum * Power Input: 2.1 mm DC coaxial power connector Reversible Beverage transformer features: * Broad operating range, 0.2 to 30 MHz * Fully isolated grounds prevent common-made noise and unwanted signals * 75 ohm design enables the use of high quality, low cost cable and connectors * RF shielded housing used for isolation and improved life * Directional Switching Voltage: nominal 12 V AC or negative 12 V DC, feedline injected * Directional Switching Current: less than 80 mA * Antenna impedance: 300-600 ohm (450 ohm recommended) * Feedline impedance: 50-75 ohm (75 ohm recommended) * RBSA-1FP Feed Point unit dimensions: 5.5 in. width x 3.5 in. depth x 1.5 in. height * RBS-1RT Reflection Transformer unit dimensions: 2.125 in. width x 2.125 in. depth x 1.125 in. height Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. DX Engineering Reversible Beverage Antenna System Combos offer package convenience and superior receiving results on today's crowded medium and shortwave bands as well as on the ham bands. SWLs and Radio Amateurs around the world have come to rely on the exceptional performance of DX Engineering products. Order one of these DX Engineering Reversible Beverage Antenna System Combos to make the best of your MW/HF reception!
Not Yet Reviewed
$605.97
QRO.cz RX AuditePRE3 SDR Antenna Switch Controllers
QRO.cz RX AuditePRE3 SDR Antenna Switch Controllers combine the functionality of a T/R switch, a receive antenna input and a receive splitter with specialized switching, all with RF limiter protection. The transmit/receive (TX/RX) main antenna can be shared with both outputs, transceiver and receiver (SDR) with RF power limiter protection. These versatile devices are perfect for use with a separate SDR receiver for Spectrum Panadapter, WebSDR or as a Skimmer Server to contribute spots to the Reverse Beacon Network (RBN). The RX-AuditePRE3 features frequency coverage of 100 kHz–60 MHz including 160 through 6 meters with a maximum transmit power handling of 200W and a switchable 16 dB preamplifier. Included in the Package: RX-AuditePre3 Switch – Assembled and Tested DC Cable – DC barrel connector to stripped and tinned wires
Not Yet Reviewed
$509.99
KD9SV Products SV-DXSS DXpedition Receive Antenna Switches
KD9SV Products SV-DXSS DXpedition Receive Antenna Switches are the ultimate unit for the active low-band DXer. They combine their legendary Front End Saver with the 80/160 Variable-Gain Preamp, a Four-Position Receive Antenna Switch and a high-speed Solid State Amplifier Keying Interface, all into one easy-to-use package. Originally designed for DXpeditions, they are sure to be on the wish list of all low-band DXers! DXpedition Switches were built to be connected to transceivers that ARE equipped with receive outputs and inputs, and to the transceiver's amplifier keying line. DXpedition Receive Switches will directly key all late-model RF power amplifiers. They include a heavy-duty relay for receive antenna disconnection and transceiver RX ANT INPUT grounding, giving your transceiver the ultimate in front-end protection. The four-port antenna switch allows you to select from different receive antennas and the variable-gain control adjusts for 10 to 28 dB preamplification with dual-band band-pass filtering. This lets you choose, on the fly, the correct antenna and gain combination for optimal signal-to-noise for changing band propagation conditions. You may also bypass the unit when you are operating on the higher bands or to listen to the low band transmitting antenna. KD9SV DXpedition Receive Antenna Switches include the Front End Saver, with a lightning-fast solid-state amplifier keying system that is full break-in CW (QSK) capable for all modern amplifiers. They can handle legacy amplifier positive DC voltage keying lines up to 500 Vdc at 8 A. However, DXpedition keying circuits will not work with amplifiers that have negative DC voltage keying lines such as the Heathkit SB-200, Yaesu FL2100-B or Collins 30L-1. For these and other negative DC voltage keyed amplifiers, pair these DXpedition Switches with KD9SV Products SV-KR External Keying Relays. Whether you are a DXer, contester, antenna experimenter, or just want easy access to multiple receive antennas, KD9SV Products SV-DXSS DXpedition Receive Antenna Switches will organize your station as never before! Order yours now, exclusively from DX Engineering!
Not Yet Reviewed
$353.99
DX Engineering NCC-2 Receive Antenna Phasing Systems
Imagine adjusting the controls to knock out strong interfering stations or noise—and then being able to copy and log that weak DX station. By successfully combining the right antennas with the advanced phasing capabilities of the NCC-2, this is the operating thrill that every radio enthusiast can enjoy, again and again! DX Engineering NCC-2 Receive Antenna Phasing Systems are variable phasing controllers that combine the 300 kHz- 30MHz received signals from one transmit antenna and one receive antenna, or from two dedicated receive antennas. Combining signals from two stationary antennas physically spaced 1/10 to 1/2 wavelength apart creates an array pattern with signal peaks and dips called nulls. Adjusting the NCC-2 Phase and Balance controls have the effect of electronically rotating or steering that pattern. Steering the null direction to significantly weaken a local or distant interfering signal or noise is known as "Noise Cancelling." This "Noise Cancelling Controller" (NCC-2) can dramatically enhance the reception of weak signals from non-null directions. This "reverse-beam" capability on radio frequencies AM Broadcast through HF can provide amazing benefits for many types of AM DX and SWL receiving and ham radio operating. Work new DX, hear the weak station in casual regional conversations, snag the rare multiplier in contests and hear beyond the noise and interference in dire circumstances. DX Engineering NCC-2 Phasing Systems now feature the built-in RTR Receive-Transmit Interface relay system that expands the exciting benefits of antenna phasing for interference reduction in two ways: * First, the NCC-2 can combine signals from the HF transmit antenna and a separate receive antenna to effectively notch-out strong stations or noise. Almost any Amateur can now enjoy the benefits of antenna phasing and noise-nulling, even those with space limitations for separating the receiving and transmitting antennas. * Second, the user of any standard HF transceiver that lacks a separate receive antenna input can have enhanced reception of noise and signal nulling with the DXE-NCC-2 and two antennas. Rear panel SO-239, F and BNC connectors make the NCC-2 extremely versatile and easy to connect to almost any receiver or HF transceiver up to 200 watts. Redesigned with plug-in modular circuit board sockets, the NCC-2 includes one switched and powered internal slot and two passive internal slots per channel to accommodate these new options: * DXE-RPA-2-PM Receive Preamplifier Plug-In Modules (powered): one per channel for low-signal passive antennas with poor ground conditions * DXE-RG5000HD-PM Receiver Guard 5000HD Plug-In Module (passive): Front-end protection for the NCC-2 and the receiver * DXE-IT-PM 75 to 50 ohm Impedance Transformer Plug-In Module (passive): to match 75 ohm RX ANT feedlines to NCC-2 50 ohm internal impedance * NCC-2 Receive Filter Sets (passive, non-switchable): High Pass, Band Pass and Low Pass Filters for 160, 80, 40 meters typically in stock, with other band filters available individually by special order. DX Engineering NCC-2 Receive Antenna Phasing Systems offer these new additional benefits: * Multi-Color Status Indicating LEDs for Power, RTR Mode and Preamp Power CH A and CH B * New Radio Key Line Input with RX Enable Output-RTR Failsafe to prevent RF damage to NCC-2 and RX equipment * New ACC Key Line Output RCA female 'ground on transmit' pass-through for Amplifier or Accessory * New screw-on 2.1mm DC connector to prevent accidental power cable pull-out * Operates on +13.8VDC @ 2A input to power the NCC-2 and internally jumper set Bias Tee on each RX ANT ports for coax fed Active Verticals and other accessories. Offering new and experienced radio enthusiasts the next level of reception enhancements, DX Engineering model NCC-2 Receive Antenna Phasing Systems in use around the world!
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$955.99