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15 Results Found For "noise"
Antennas-Amplifiers 6290 2m 100W Transmit Band Pass Filters
Antennas-Amplifiers 6290 2m 100W Transmit Band Pass Filters are equally effective for both transmitting and receiving, boasting a super low insertion loss of just 0.15 dB. These Band Pass Filter are designed for use with transceivers and transverters up to 100W output. They are also ideal for placement before any wide band low noise amplifier (LNA) to protect against out-of-band signals. With their super low insertion loss, these 2m Transmit Band Pass Filters are excellent for use before any LNA or to protect receivers from HF transmitters. They effectively suppress signals from HF (1.8 – 28 MHz), 6 meters (50-54 MHz), and 70 cm (430 – 440 MHz) bands. Additionally, these filter helps reduce television interference (TVI) problems, making them particularly useful if you or your neighbors have strong HF, 6 meter, or 70 cm transmitters.
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$267.99
Antennas-Amplifiers 6320 2-meter 1500W Transmit Band Pass Filters
Antennas Amplifiers 6320 2 Meter 1500W Transmit Band Pass Filters are engineered for high performance 144–148MHz operation, delivering exceptionally low loss and outstanding harmonic suppression for demanding transmit and receive environments. Built with ultra high Q coils and capacitors—each exceeding a Q factor of 4500—these filters achieve their low loss performance through precise component selection and meticulous factory alignment. Designed primarily for high power transmitting applications, the 6320 also excels as a receive chain protector, making it suitable for placement ahead of wideband LNAs (low noise amplifier) to shield sensitive front end devices from powerful out of band RF energy. Supporting amplifiers such as the 8877, GS35, GS31, and other tube or transistor based stages up to 1.5kW output, the 6320 delivers exceptional stability under heavy load. Its integrated 12VDC cooling fan ensures reliable thermal management during extended operation, while rugged N type female connectors provide secure, low loss RF connections. The filter's performance makes it ideal for DXpeditions, multi multi contest stations, and installations where strong HF, 6 meter, 1.25 meter, or 70 centimeter signals would otherwise overload receivers or degrade system sensitivity. Offering deep suppression of unwanted signals from HF (1.8–28MHz), 50–54MHz, and 70cm (430–440MHz), the 6320 effectively eliminates harmonics and reduces the risk of TVI and RFI issues—an important advantage for operators working in close proximity residential environments. All performance data for the 6320 is verified using an HP8753ES network analyzer with full two port calibration, ensuring accuracy and real world confidence in its measured attenuation and insertion loss characteristics.
Not Yet Reviewed
$408.99
Antennas-Amplifiers 5940 200W 6-meter Band Pass Filters
Antennas-Amplifiers 5940 200W 6-meter Band Pass Filters are extreme low loss 6 meter band pass filters engineered for both transmitting and receiving applications in the 50–52MHz range. Designed for operators who demand clean signals and maximum weak signal performance, these filter excel at pulling DX out of the noise while maintaining exceptional stability under real world RF conditions. With an impressively low insertion loss, and attenuation of just 0.11dB, they are ideal for placement ahead of any LNA (low noise amplifier) , safeguarding sensitive receiver front ends from strong HF transmitters during DXpeditions and multi multi contest environments. The Antennas-Amplifiers 5940 band pass filters deliver powerful suppression of unwanted harmonics—including those around 100MHz, 150MHz, and beyond—ensuring smooth operation and preventing interference from creeping into nearby bands. Built with premium grade components and meticulous filter design, the 5940 provides reliable, repeatable performance while eliminating harmonic emissions from linear amplifiers. Whether used for transmission, reception, or both, these Antennas-Amplifiers 5940 200W 6-meter Band Pass Filters deliver the clarity, protection, and efficiency serious VHF operators expect.
Not Yet Reviewed
$273.99
Antennas-Amplifiers 5960 6-meter 1500W Transmit Band Pass Filters
Antennas Amplifiers 5960 6 Meter 1500W Transmit Band Pass Filters deliver exceptional performance on the 6-meter Magic Band, providing clean, reliable operation across 50–51MHz for high power stations. Engineered with precision wound high Q coils and capacitors boasting a Q factor exceeding 4000, this filter achieves remarkably low insertion loss through meticulous component selection and exacting tuning. Designed to operate seamlessly with high power linear amplifiers—including 8877, GS35, GS31, 2×GI7B, and other tubes up to 1.5kW output—the 5960 ensures pure, interference free transmission while offering equally strong performance as a receiving filter. Ideal for protecting sensitive front end devices, the 5960 can be placed ahead of a wideband LNA (low noise amplifier) such as those using the PGA 103+, safeguarding against damaging out of band energy in demanding multi multi setups, DXpeditions, or high RF noise environments. These filter deliver outstanding harmonic suppression, effectively eliminating spurious energy around100MHz, 150MHz, and beyond, while also shielding equipment from nearby HF transmitters. The result is a filter that not only enhances transmission purity but also fortifies receiving chains against interference. Through careful engineering and superior component quality, the 5960 provides the robust performance, stability, and signal cleanliness expected from a premium Antennas Amplifiers RF solution.
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$368.99
Antennas-Amplifiers 6400 1.25-meter Receive Band Pass Filters
Antennas-Amplifiers 6400 1.25-meter Receive Band Pass Filters are optimized for the 1.25-meter (220–225MHz) amateur band, these filters deliver reliable 50 ohm performance with <0.25 dB insertion loss, preserving weak signals while reducing out of band interference. N type female connectors ensure consistent, low loss connections, and the filter's long lasting construction makes it a smart, economical choice for operators seeking enhanced receive performance without compromise. Antennas-Amplifiers continues to set the standard in high performance RF engineering, offering one of the broadest and most advanced collections of ham radio antennas, low noise components, and precision band pass filters available today. The 6400 Series 1.25 meter Receive Band Pass Filters are expertly engineered with high Q designs and exceptionally low insertion loss, ensuring outstanding selectivity and signal purity across demanding multi station, contest, and DX environments.
Not Yet Reviewed
$139.99
Antennas-Amplifiers 6250 2-meter Receive Band Pass Filters
Antennas Amplifiers 6250 2 Meter Receive Band Pass Filters offer an economical and highly effective solution for operators seeking clean, selective performance across the 144–148MHz VHF 2-meter band. Designed with carefully tuned, high selectivity circuitry, these filters maintain an impressively low insertion loss of under 0.4 dB, ensuring excellent signal transparency while minimizing degradation of weak signals. Precise engineering and adjustment techniques deliver an input return loss better than –20dB, providing stable, low noise operation ideal for sensitive receive paths. Featuring a 50 ohm nominal impedance and N-Type connectors, the 6250 filters integrate seamlessly into a wide range of 2 meter receive only setups, including weak signal stations, repeater sites, satellite ground stations, and multi radio environments where strong out of band signals can impair performance. These filters offer a reliable, cost effective way to enhance 2 meter reception while protecting front end equipment from unwanted interference.
Not Yet Reviewed
$129.99
Antennas-Amplifiers 5560 WARC 30-meter 3kW Transmit Band Pass Filters
Antennas-Amplifiers 5560 WARC 30-meter 3kW Transmit Band Pass Filters are engineered for operators who demand absolute excellence on the 30 meter band. Designed for high power performance from 10.1 to 10.15 MHz, these filters deliver exceptionally low insertion loss—just 0.18 dB—ensuring that every watt counts while preserving outstanding signal integrity. Built for high power multi station environments, they shine in contests, special event operations, field deployments, and any scenario where strong out of band signals threaten receiver performance. With extreme out of band suppression, silver plated SO 239 connectors, and a rugged powder coated aluminum enclosure, these filters combine durability with world class RF purity. Although rated for 2000W, they are purpose designed with overhead to comfortably support up to 3kW, making them equally suited for both high power transmitters and low noise receive paths. As part of the WARC family of amateur bands—30 m, 17 m, and 12 m—these filters deliver the clean, interference free operation that serious operators rely on for reliable communication and superior operating efficiency. Perfect for stations of any size, these 30 meter WARC filters provide the ultra low loss, robust construction, and premium performance that define Antennas Amplifiers' commitment to excellence.
Not Yet Reviewed
$535.99
Antennas-Amplifiers 6505 70cm Low Loss Receive Band Pass Filters
Antennas-Amplifiers 6505 70cm Low Loss Receive Band Pass Filters are engineered for optimal performance in weak signal, terrestrial, and EME applications. Designed for direct connection to a coaxial relay, the 6505 filter minimizes insertion loss in the receive path, ensuring that wideband preamplifiers experience virtually no degradation to their noise performance. By sharply rejecting strong out of band signals, the 6505 provides stable operation in environments with strong adjacent band or high power local signals. The filter is housed in a sturdy 0.8 mm brass enclosure, providing excellent mechanical stability, long term durability, and consistent electrical characteristics over time.
Not Yet Reviewed
$175.99
Antennas-Amplifiers 5910 Low Loss 6-meter Receive Band Pass Filters
Antennas Amplifiers 5910 Low Loss 6 meter Receive Band Pass Filters deliver exceptional performance on the legendary 6m "Magic Band," offering high selectivity, a high Q design, and impressively low insertion loss. Engineered to confine received signals strictly within the 50–51 MHz amateur band, these filters dramatically reduce out of band noise, lowering the noise floor and enhancing weak signal reception. When placed ahead of SDRs or wideband receivers, they effectively remove unwanted HF, 4m, FM broadcast, 2m, and 70cm signals, leaving us with a clean and focused 6m passband. Just as important, these filters will not disturb the noise performance of preamplifiers—an essential advantage for contesting, DXing, and EME—while ensuring smooth, stable operation even in the presence of strong nearby signals. With an insertion loss of just 0.1 dB, they safeguard receiving performance without compromise, a level of efficiency achieved through careful design and precise tuning. In multi operator contest stations or portable field setups, they provide essential isolation by minimizing images and harmonic interference, ensuring crisp monoband operation even in crowded RF environments. These 6 meter band pass filters are the ideal choice for operators seeking cleaner signals, improved performance, and reliable protection for sensitive front end equipment.
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$180.99
Antennas-Amplifiers 5900 6-meter Receive Band Pass Filters
Antennas-Amplifiers 5900 6-meter Receive Band Pass Filters deliver exceptional performance on the legendary 6m "Magic Band," offering high selectivity, high Q design, and impressively low insertion loss—all in an economical package. Engineered to confine received signals strictly within the 50–54 MHz amateur band, these filters dramatically reduce out of band noise, lowering the noise floor and enhancing weak signal reception. When placed ahead of SDRs or wideband receivers, users will immediately notice how effectively these filters remove unwanted HF, 4m, FM broadcast, 2m, and 70cm signals, leaving a clean and focused 6m passband. In multi operator contest stations or portable field setups, they provide essential isolation by minimizing images and harmonic interference, ensuring crisp mono band operation even in crowded RF environments. These 6 meter band pass filters are the ideal choice for operators seeking cleaner signals, improved performance, and reliable protection for sensitive front end equipment.
Not Yet Reviewed
$129.99
Antennas-Amplifiers 6500 Ultra Low Loss 70cm Receive Band Pass Filters
Antennas-Amplifiers 6500 Ultra Low Loss 70cm Receive Band Pass Filters are especially engineered for high performance terrestrial and EME applications. Placed ahead of any wideband LNA, it prevents overload and desensitization caused by strong out of band signals while preserving the amplifier's noise figure. It's precisely defined 430–450MHz passband ensures clean signal reception without compromising weak signal performance, even in demanding RF environments. Designed for stations requiring maximum front end protection with minimal insertion loss, this filter delivers exceptionally high input return loss and rugged, reliable connectivity through N type female connectors.
Not Yet Reviewed
$170.99
Antennas-Amplifiers 5970 6-meter 4kW Low Loss Band Pass Filters
Antennas-Amplifiers 5970 6 meter 4 kW Low-Loss Band Pass Filters are designed for high-performance operation in demanding RF environments. Built with precision high Q inductors and capacitors (Q > 4000), the filter achieves exceptionally low insertion loss through careful engineering and tuning. Intended to be used with linear amplifiers 8877, GS35, GS31, 2xGI7B, and with other tubes with up to 4 kW output. When placed ahead of sensitive front-end equipment, it provides effective protection and signal conditioning, shielding LNAs such as the PGA 103+ from strong out-of-band signals while improving the performance of wideband SDR receivers on the 6 meter band. It is well suited for challenging applications including DX expeditions and multi multi station environments, offering strong suppression of harmonics (100 MHz, 150 MHz, and higher), reducing HF interference, and minimizing out-of-band noise across a wide frequency range.
Not Yet Reviewed
$428.99
Antennas-Amplifier 5555 60-meter 2kW Transmit Band Pass Filters
Antennas-Amplifier 5555 60-meter 2kW Transmit Band Pass Filters deliver uncompromising RF performance for operators who demand maximum signal purity, rugged reliability, and contest grade interference rejection. Engineered for the 60 meter band (5.23–5.43 MHz), this heavy duty filter supports an impressive 2000W PEP while maintaining ultra clean signal characteristics ideal for high power stations, multi operator environments, and mission critical communications. Built around a high Q resonant architecture, the 5555 provides >37 dB of out of band attenuation and an exceptionally low <0.2 dB insertion loss, ensuring your transmitted and received signals remain strong, clean, and uncorrupted. The unit features SO 239 connectors and incorporates an integrated 13.8 VDC fan cooling system to maintain thermal stability during extended high duty cycle operation. As part of Antennas Amplifiers' industry leading lineup, the 5555 reflects the company's long standing commitment to precision engineering and RF excellence. Known for their advanced antennas, low noise components, and high performance filters, Antennas Amplifiers designs each product for serious operators who expect superior durability, accuracy, and efficiency. Their filters are renowned for robust construction, minimal loss, and consistent performance even under demanding contest and DX conditions.
Not Yet Reviewed
$535.99
Antennas-Amplifiers 6550 70cm 2500W Band Pass Filters
Antennas-Amplifiers 6550 70cm 2500W Band Pass Filters are extreme power 70cm band pass filters engineered to handle the most demanding UHF stations. Designed for operation across the 430–450MHz amateur band, these filters support RF power levels up to 2.5kW, making them suitable for high power stations and commercial grade 70cm linear amplifiers. Despite their high power capability, the 6550 series achieves an exceptionally low insertion loss of just 0.06 dB, and with the integrated 12VDC cooling fan, they maintain efficient signal transfer while keeping thermal rise to a minimum even during continuous high power operation. Installed after a powerful amplifier, the filter provides outstanding suppression of unwanted emissions—attenuating lower frequency signals by 23 to 100dB and reducing harmonics by 26 to 60dB, depending on frequency. Thanks to its ultra low loss and clean passband, the 6550 also performs exceptionally well in receive only applications. It can be used ahead of sensitive low noise preamplifiers employing ATF, PGA, SAV, or SKY devices, offering overload protection without degrading noise performance.
Not Yet Reviewed
$534.99
Antennas-Amplifiers 6265 2-meter Receive Band Pass Filters
Antennas-Amplifiers 6265 2-meter Receive Band Pass Filters are designed for operators who demand uncompromising weak signal performance across the 144–146MHz frequency range. Built with high Q coils and capacitors, these filters achieve exceptionally low loss, preserving receive sensitivity for DXing, contesting, and EME where every fraction of a decibel matters. Beyond enhancing desired signals, the 6265 excels at suppressing interference from strong HF, 6 meter, 1.25 meter, and 70 centimeter stations, providing a cleaner, more stable noise floor in challenging multi band environments. The RF connector positions are intentionally arranged to allow direct connection to a coaxial relay, eliminating additional coax runs and maximizing front end performance. Housed in a rugged brass enclosure, these filter delivers durability, stability, and the level of RF excellence expected by serious VHF operators seeking top tier receive chain protection.
Not Yet Reviewed
$175.99