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11 Results Found For "field"
Kenwood TM-D750A Tri-Band Digital Mobile Transceivers
Kenwood TM-D750A Tri-Band Digital Mobile Transceivers set a new standard for Amateur Radio operators seeking advanced digital communications, integrated navigation capabilities, and exceptional ease of use in a modern tri-band mobile transceiver. Covering the 2 meter (144-148 MHz), 1.25 meter (222-225 MHz), and 70 centimeter (420-450 MHz) amateur bands, the TM-D750A combines powerful RF performance with a feature-rich operating platform designed for voice, data, APRS®, and D-STAR® communications. At the heart of the TM-D750A is a bright, high-resolution 3.45-inch TFT color LCD that delivers exceptional clarity, vibrant color, and wide viewing angles. Enhancing situational awareness, the radio features Visual Scan with Waterfall, displaying scan history and signal activity in a vivid, easy-to-interpret waterfall format that helps operators quickly identify active frequencies and band conditions. Multiple dedicated knobs and push buttons provide fast, intuitive access to key functions, making it easy to navigate menus, adjust settings, and manage communications whether operating from a vehicle, base station, or the field. Built with connectivity in mind, the TM-D750A features integrated Bluetooth®, Wireless LAN, GPS, and APRS functionality, enabling seamless communication across multiple platforms. Its built-in APRS-compliant TNC supports real-time two-way data communications, making it ideal for position reporting, tactical messaging, event coordination, and emergency communications. The integrated GPS receiver and patch antenna provide accurate location information without the need for external accessories, while the built-in KISS TNC supports packet communications at 1200 and 9600 bps, standalone digipeater operation, and IGate applications when connected to a computer. For operators utilizing digital voice technology, the TM-D750A offers extensive D-STAR® compatibility and network connectivity options. Integrated Wireless LAN allows direct access to D-STAR networks through Direct Mode without requiring additional hardware. The transceiver also supports Reflector Terminal Mode, enabling convenient access to D-STAR reflectors through a Windows® PC or Android™ device using either a USB or Bluetooth connection. With simultaneous reception capability, operators can monitor and receive both voice and data communications at the same time, expanding operational awareness and communication flexibility. The transceiver's thoughtfully engineered layout includes a remote control head with a built-in speaker, offering versatile installation options without sacrificing audio performance. Renowned KENWOOD audio quality ensures crisp, natural-sounding receive audio, while a comprehensive voice guidance system featuring more than 900 voice phrases and four selectable speech speeds enhances accessibility and operating convenience. Modern connectivity is further enhanced with USB-C ports for straightforward programming, firmware updates, and data communications. Additionally, dual microSD card slots, located on both the remote control head and RF deck, provide expanded storage for configuration data, operational logs, and future functionality. Whether you're coordinating APRS activities, accessing D-STAR networks, operating packet radio, or simply seeking a highly capable tri-band mobile transceiver, the Kenwood TM-D750A delivers an impressive combination of advanced digital technology, reliable performance, and user-focused design for today's demanding Amateur Radio operator.
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$1,199.95
Chelegance JHEX-6 HF 6-Band Hex Beam Antennas
Chelegance JHEX-6 HF 6-Band Hex Beam Antennas are powerful, full-size 6-band Hex Beam antennas built for hams who want serious performance—whether you're into contesting, chasing DX, or talking with fellow hams around the globe. Covering the 20, 17, 15, 12, 10, and 6-meter bands, and rated for 2000 watts PEP, the JHEX-6 is ideal for DXing and high-duty-cycle operation. The JHEX-6 is engineered for rapid deployment, featuring a modular, tool-free design that allows for quick assembly and effortless installation by a single operator—ideal for stationary installations, field operations, and solo deployments. With full-size elements on each band, it delivers exceptional gain and directivity, making it a top-tier choice for demanding operators. A 1:1 balun ensures optimal feedline performance, while its lightweight construction—weighing just 26.5 pounds—enhances portability and ease of setup. Built for long-term reliability, the JHEX-6 incorporates precision-molded cable lugs, a robust beam structure, and aluminum-reinforced plug-in joints with butterfly screw connections for fast, secure assembly. Its rugged 1.40-inch (35mm) 304 stainless steel base tube provides a dependable mast mounting solution, even in harsh environmental conditions.
Not Yet Reviewed
$1,199.98
The Radio Source 630PD Lowdown 630-Meter Vertical Antennas
The Radio Source 630PD Lowdown 630-Meter Vertical Antennas provide Amateur Radio operators with an efficient and practical solution for operating on the 630-meter band in locations where space is limited. Compact, lightweight, and easy to install, these antennas deliver impressive performance without requiring a large area or tall support structures. Designed for installation above a horizontal ground radial system, the 630PD utilizes an inductively center-loaded, base-fed configuration with a capacitive top hat to maximize efficiency while maintaining a remarkably small footprint. Its rugged yet lightweight construction makes setup, takedown, transportation, and storage simple. The antenna is intended for ground-level installation over a horizontal radial field consisting of radials approximately 10 to 25 feet in length. When used with a ground system of 32 radials measuring 25 feet each and operated at typical input power levels of 100 to 200 watts, the antenna can produce an effective radiated power (EIRP) of approximately 2 to 4 watts, depending on local ground conductivity. At its maximum rated input power of 250 watts, EIRP can reach or exceed the FCC's 5-watt limit for the 630-meter band. The Lowdown 630PD is mounted to a ground support using insulated block clamps that secure the lower antenna section at two points approximately 18 to 24 inches apart. Installation is typically accomplished using a treated 4x4 or 6x6 wooden post set into the ground, leaving 3 to 4 feet exposed above grade. The upper clamp is mounted near the top of the post, with the lower clamp positioned at least 24 inches below to provide secure vertical support. For easier tuning and maintenance, a tilt-over mounting arrangement may also be used. An optional transmission line impedance transformer can be attached directly to the mounting post, with a short jumper connecting the transformer to the antenna feed point. Ground radial connections can be made conveniently using a copper or aluminum grounding ring installed around the mounting post, providing a simple and cost-effective method for attaching the required radial system. The result is a highly efficient, mechanically durable, and exceptionally compact antenna system that makes 630-meter operation practical for stations with limited space.
Not Yet Reviewed
$1,395.00
OptiBeam HF Directional Antennas
OptiBeam antenna technology has achieved directional antennas with extraordinary electrical properties, including the highest efficiency, optimum band coverage, nearly constant gain and unchanging radiation pattern across the band, and low SWR. These antennas maintain consistent electrical characteristics under all weather-conditions and include a high power balun with UHF female connector for your 50 Ohm coaxial cable. OptiBeam Antennas are distinguished by their advanced mechanical qualities. Specially configured, stable and properly shaped element holders, robust square and round booms with effective and very solidly-built element transitions are OptiBeam exclusives. They provide advanced physical properties, including proper balance and the highest stability of the entire system. Elements are perfectly aligned and secured against torsion with minimal sag for a visually pleasing appearance. OptiBeam antennas are made for those who understand the true value of investing in proven electrical performance and unequalled mechanical quality for the ultimate in reliability. They are built to withstand the harshest conditions using the very best materials, including high quality aluminum alloys, UV stable synthetic parts and stainless steel hardware. OptiBeam antennas are designed to be easier to build than others, arriving in subassemblies with every part carefully sorted, clearly labeled, and extremely well packed for worry-free shipment and straightforward installation. In 2025, the OptiBeam brand of products was exclusively acquired by WiMo Antennen und Elektronik GmbH. The OptiBeam portfolio is now produced by WiMo and integrated into its product offering. With this acquisition, WiMo will integrate the technical expertise and know-how gained from OptiBeam's many years of experience in antenna technology and will provide new impetus with its extensive service and sales network. The primary goal is to successfully continue OptiBeam's antennas, ensure long-term customer service and spare parts availability, and leverage development potential. For enthusiastic operators of all pursuits, OptiBeam provides the advantage of pure performance. Proven in the field and confirmed by the most demanding hams around the world – choose OptiBeam for your station.
( 5 )
$1,338.99
DX Engineering TW Antenna 5-Band Adventurer Packages
DX Engineering is now the manufacturer of TW Antennas!* Our DX Engineering TW Antenna 5-Band Adventurer Packages preserve and build upon the legacy of this premier portable HF antenna maker. Covering all bands from 20 through 10 meters, including WARC, DX Engineering Adventurer Packages can be easily and remotely band-switched to cover any of the five high bands. DXE-TW-2010-P Adventurer packages include everything you need to go portable! The package is comprised of the basic antenna structure, the switchable band box, a 65.5 ft. control cable, controller console and an antenna stand. You supply the coax and your own powered transceiver. It's perfect for portable QRP! For portable use, the included, lightweight Quadrastand, DXE-TW-AQ, lets you set up your DX Engineering HF Portable TW Antenna wherever you happen to be. Think about special operating events like Scouts Jamboree On-The-Air (JOTA), Field Day or even SOTA (Summits On-The-Air). For backpacking and general camping and travel a convenient carrying case, DXE-TW-DXBAG, is available as an OPTION to make traveling in your car or RV with these antennas a snap. Typical installation for TW Antennas is a compact 8.25 ft. tall and only 5 ft. wide. Make your choice; portable, fixed or both, then equip yourself with the best compact vertical-dipole antennas available. Note: Although a permanently-installed mount is available, DX Engineering TW Antenna band boxes are not waterproof. Do not leave your TW Antenna exposed to the elements without adequate and durable weather protection for the band box. Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. DX Engineering TW Antenna 5-Band Adventurer Packages are here to help you enjoy working stealthy HF at home or … anywhere! NOTE: Some older versions of the TW Antennas are not compatible with current production parts. The original manufacturer of TW Antennas had changed the design more than once and newer parts will not fit some older models. Call DX Engineering to verify if your old TW Antenna will be compatible with currently produced parts and assemblies.
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$1,054.96
RedPitaya SDRlab 122-16
RedPitaya SDRlab 122-16 is a rigorously upgraded version of their revolutionary STEMlab board, redesigned specifically for SDR and other RF applications. It is capable from well below HF, with an emphasis on all of HF through the 6 meter band using popular SDR software. The SDRlab 122-16 board features a RF Input minimum frequency capability of 300 kHz (-3 dB) and no DC coupling using a low-power dual-channel 16-bit, 125 Msps ADC (Analog to Digital Converter) with 50 ohm inputs and a dual-channel 14-bit, 125 Msps DAC (Digital to Analog Converter) with 50 ohm outputs. The faster and more capable Dual Core ARM Cortex A9 Processor is paired with the larger Xilinx Zynq 7020 FPGA (Field Programmable Gate Array) and 512 MB RAM to provide phenomenal real-time processing capabilities. All together the SDRlab 122-16 provides improved dynamic range, sensitivity, with reduced distortion, noise & crosstalk. Plus, its hardware is compatible with HPSDR. SDRlab 122-16 has 50 ohm SMA female Inputs and Outputs, 1 GB Ethernet and USB 2.0 connectivity, and is Wi-Fi capable with a dongle. Up to 16 digital and 4 analog I/Os are provided by the Extension Connector. The Standard Kit comes with the RedPitaya SDRlab 122-16 board, comes with a 16 GB micro SD Card, 1m Ethernet cable and Universal Power Supply 5V, 2A. RedPitaya SDRlab 122-16 is a strong basis for your own SDR Transceiver. With a frequency range to 62.5 MHz and 16 bits of resolution it represents a powerful and affordable core of the SDR radio that you build. The on board ADC, running at 125 Million samples per second at 16-bit depth, digitizes the RF signal from the antenna with excellent dynamic range. The data coming from the ADC is processed by an in-phase/quadrature (I/Q) digital down-converter (DDC) running on the Red Pitaya's FPGA. I/Q data is transmitted via TCP to the SDR programs such as SDR# and HDSDR. Add an all bands filter and amplifier module, connect an antenna and you are ready to start your SDR adventure!
( 1 )
$1,229.99
Bushcomm Portable Mast Kits
Bushcomm Portable Mast Kits are not antennas but are lightweight, transportable pole kits for use as a temporary 5-meter tower solution in the field. These are great accessories for Field Day or other portable ops. Not recommended as a permanent base station setup, this is a temporary solution that comes complete in an easy to carry and highly-portable package. These kits are complete with all the necessary tools and hardware for installation, making them a quick and easy answer for temporary, light-duty, portable mast needs. Bushcomm Mast Kit contents: * Carry bag, NATO Green, with snap closures * 5m (8-piece) x 25mm diameter aluminum mast, powder-coated NATO green * Includes spike for securing mast base in one spot * Three guy stakes * Hammer for use with mast spike and guy stakes * Three 7-meter guy sets (winder/tensioner, VB cord, Velcro strap, snap hook) * 15-meters of coax with UHF connectors and UHF to BNC adapter * NOT intended to support rotators, directional antennas or other heavy items More product details: * 5 meter high mast made of 8 swaged sections * Tubing is held together with elastic shock cord for quick assembly * Guy plate sits at approximately 4.5 meters for guy rope attachment * Guy ropes include winder/tensioner for quick rewinding, Velcro strap for secure storage and snag free snap hook for easy attachment and release * Mast has a snap hook at the top for attaching the antenna and has Velcro loops for fastening the coaxial transmission cable If you like working SOTA, SPOTA, portable QRP or other away-from-home activities, then one of these lightweight, compact, portable mast kits may be EXACTLY what you are looking for. Just consider all of the wire-antenna projects you could loft! Order your Bushcomm Portable Mast Kits from DX Engineering, pack up, and get out there!
Not Yet Reviewed
$1,120.99
Mastrant Antenna Support and Guy Line Ropes
Mastrant Antenna Support and Guy Line Ropes are available in several sizes and strength ratings, perfect for support of wire antennas, vertical antennas and antenna masts, as well as support of Yagi booms and elements. Mastrant ropes are of the highest quality for strength and are UV-protected for extended longevity. MASTRANT-O is a highly reflective rope (bright orange plus braided reflective tape) based on long-term proven Polyester (Dacron) product line. It is designed for maximum visibility in public places such as Field Day and POTA activities. Like all Mastrant ropes, it is UV stable and resistant to all weather conditions. It has low weight, great abrasion resistance, great durability and is nonconductive (no effect whatsoever on your antenna). Moreover, in contrast to ropes made from aramid fibers (Kevlar, Vectran, Technora, Twaron), it has knot strength about 60 %. Mastrant-P and Mastrant-R Ropes are stronger than other synthetic ropes of the same size, made from proven modern polyester. Mastrant-Q is a new rope made from a blend of polyester and polypropylene, designed specifically for guying applications. It offers an excellent performance-to-price ratio and has a knot strength of approximately 60%. It replaces Mastrant-P in diameters of 6 mm (1/4 in.) and larger. Mastrant-S is a similar polyester/polypropylene rope, distinguished by its highly reflective strands for increased visibility. Mastrant-M is their highest strength rope with the Dyneema® DM20 core, a superior synthetic rope offering high performance at an affordable price. Very high strength, negligible elongation, very low weight, and great abrasion resistance are all attributes that make Mastrant-M the best rope for guying. Larger, stronger sizes of Mastrant-M are used in Europe and other parts of the world for tower guying. Durability and safety are of prime concern to ensure that an antenna installation remains fully operational for a long time. Antennas and guy lines are exposed to changing weather conditions, mechanical strain, UV radiation, humidity, and more. These non-conductive synthetic fibers have all the necessary qualities: high strength, negligible stretch but good flexibility, long life, low moisture collection, fast drying, a minimum bending radius adding the ability to tie knots, good UV radiation resistance, weather durability and resistance to acids and alkali. Conversely, steel guying wires are heavy, difficult to work with, and their strength deteriorates with time due to corrosion and general aging. Electrical conductivity of steel guys is an undesirable feature, as they interact with the antennas and adversely modify radiation patterns. Thanks to recent developments in synthetic materials, both amateur and professional users are changing over to non-conductive guys and ropes. Mastrant offers these products for a variety of applications, from thin support lines used for wire antennas and beams, to rope guys for supporting small and portable masts and vertical antennas. When you need quality rope to install, replace, or modify your antenna systems, consider Mastrant Antenna Support and Guy Line Ropes, now available from DX Engineering.
( 186 )
$1,187.99
OptiBeam VHF Directional Antennas
OptiBeam VHF Directional Antennas include classic Yagis for the 6 meter band. Computer designed, optimized and meticulously hand-crafted, all of their antennas are extensively tested to confirm their ultimate performance in the real-world. OptiBeam is the world-renown manufacturer of top-quality HF directional antennas that deliver ultimate performance and lasting value. This accomplishment is the result of over 15 years of unrelenting dedication to excellence in design and the highest standards in manufacturing. OptiBeam antennas are designed for the highest possible gain, excellent front-to-back ratios and clean radiation patterns, rather than only for low SWR as in most competing brands. Many models have full-size elements and all OptiBeam represents the standard for optimal band coverage, efficiency and power handling, all without compromise. OptiBeam has achieved exceptional electrical performance in their directional mono-band and multiband Yagi and Log Cell Yagi antennas. Plus, OptiBeam antenna elements are perfectly aligned for an excellent visual appearance. Computer designed, optimized and meticulously hand-crafted, these new-age antennas are tested extensively to confirm that computer models are matched by real-world performance. They have been proven in the field to be the best by the most demanding hams around the world! Other manufacturers have attempted copies and have failed to achieve the true qualities of a genuine OptiBeam antenna. OptiBeam products are now made by WiMo for dedicated hams who understand the value of investing in proven performance and unsurpassed mechanical quality. They are built to withstand the harshest conditions using the very best materials. OptiBeam antennas are designed to be easier to build than others, with every part carefully sorted, clearly labeled, and extremely well packed for worry-free shipment and straightforward construction and installation. Click on the OptiBeam VHF antenna models listed below to see complete technical details. Your new VHF or HF beam, should be the best antenna available. After all, the antenna is "where the rubber meets the road" – and how your RF actually makes waves. Order the best available directional antennas – OptiBeam – from DX Engineering.
Not Yet Reviewed
$1,349.99
Manufacturer Rebate
ICOM IC-7300 HF Plus 50 MHz Transceivers
ICOM IC-7300 HF Plus 50 MHz Transceivers employ a new-technology real-time touch-screen spectrum scope that leads its class in resolution, sweep speed and dynamic range. While listening to received audio, you can check the real-time spectrum scope and quickly move to another signal. When you first touch the scope screen around the intended signal, the touched part is magnified. A second touch of the scope screen changes the operating frequency and allows you to accurately tune to the desired signal. The combination of the waterfall function and the real-time spectrum scope assists in maximum receive performance of IC-7300 radios and increases QSO opportunities without missing weak signals. The waterfall function shows a change of signal strength over a period of time and allows you to find weak signals that may not be apparent on the real-time spectrum scope. The audio scope function can be used to observe various AF characteristics such as microphone compressor level, filter width, notch filter width and keying waveform in the CW mode. Either transmit or receive audio may be displayed on the FFT scope, with the waterfall function and the oscilloscope. The large 4.3 in. color TFT touch LCD offers intuitive operation. Using the software keypad of the touch screen, you can easily set various functions and edit memory contents. IC-7300 transceivers employ an RF direct-sampling system. RF signals are directly converted to digital data and processed in the FPGA (Field-Programmable Gate Array), making it possible to simplify the circuit construction. This system is a leading-edge technology; creating a new era in amateur radio. The new "IP-plus" function improves 3rd order intercept point (IP3) performance. When a weak signal is received adjacent to strong interference, the AD converter is optimized against signal distortion. IC-7300 transceivers' RMDR is improved to about 97dB (typical value) and Phase Noise characteristics are improved about 15dB (at 1 kHz frequency separation) compared to the IC-7200. The superior Phase Noise characteristics reduce noise components in both receive and transmit signals. IC-7300's have 15 discrete RF band-pass filters. The RF signal is passed through only one of the band-pass filters, while any out of range signals are rejected. High Q factor coils are used to minimize the loss in the RF band-pass filters. The built-in antenna tuner memorizes its settings based on your transmit frequency, so that it can rapidly tune when you change operating bands. The Enforced Tuning function allows a wide range of temporary antennas to be tuned. NOTE: Do not use the Enforced Tuning function except in case of an emergency. Transmitter output power may be automatically reduced. IC-7300 transceivers can store various contents into an SD card, such as received and transmitted audio, voice memories, RTTY/CW memories, RTTY decode logs and captured screen images. Updated personal and firmware data can also be stored to the SD card for easy setting. To offer superior sound quality, a new speaker unit has been incorporated and is designed into the aluminum die-cast chassis; not just squeezed in as a necessity. Other IC-7300 features include: * HM-219 hand microphone supplied * Large, effective cooling fan system * Multi-function meter * 101 memory channels (99 regular, plus 2 scan edges) * Optional RS-BA1 IP remote control software (the spectrum scope with the waterfall can be observed) * CW functions: Full break-in, CW reverse, CW auto tuning Note: For additional information, look at the files under the "Documentation" tab. The innovative features included in ICOM's IC-7300 offer tremendous advantages and represent a paradigm shift for its modest price point. ICOM says of its 7300 that "The Real HF Fun Starts Here." Order one of their ICOM IC-7300 HF Plus 50 MHz Transceivers and discover the fun to be had with leading-edge technology transceivers from DX Engineering!
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$1,039.95
The Radio Source Lowdown PSTND26 Portable Antenna Stand
The Radio Source Lowdown PSTND26 Portable Antenna Stand provides a rugged, portable foundation for The Lowdown 630-Meter Antenna. Constructed from heavy-duty aluminum with a durable steel base, the stand features adjustable-angle folding legs, integrated antenna insulator mounts, groundplane and coax connections, and an included coax feedline. Designed for quick deployment, the PSTND26 folds for convenient one-handed transport and sets up in seconds. For optimal stability in windy conditions, weights should be placed on the legs during operation. The Portable Antenna Stand is engineered to support vertical antenna masts up to 1-1/2 inches OD using the integrated insulator mounting system, making it an ideal solution for portable, field-day, and temporary antenna installations.
Not Yet Reviewed
$1,195.00