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Momobeam Yagis, Verticals & RF Chokes
Decades of passion, experience and ambition are the fundamental ingredients behind Momobeam, an Italian producer of high-tech monoband and multiband antennas for serious...
Decades of passion, experience and ambition are the fundamental ingredients behind Momobeam, an Italian producer of high-tech monoband and multiband antennas for serious Ham radio enthusiasts. Founded in 2011 by a pair of brothers and longtime amateur operators, Momobeam manufactures high-performance monoband verticals, dipoles and Yagis, along with dual-band, tri-band, four-band and five-band Yagis. The company also produces separate-feed Yagis, end-fed wire antennas and a line of RF chokes, among other products. Momobeam crafts each offering with a focus on rugged construction, precision element spacing and simple assembly....
Decades of passion, experience and ambition are the fundamental ingredients behind Momobeam, an Italian producer of high-tech monoband and multiband antennas for serious Ham radio enthusiasts. Founded in 2011 by a pair of brothers and longtime amateur operators, Momobeam manufactures high-performance monoband verticals, dipoles and Yagis, along with dual-band, tri-band, four-band and five-band Yagis. The company also produces separate-feed Yagis, end-fed wire antennas and a line of RF chokes, among other products. Momobeam crafts each offering with a focus on rugged construction, precision element spacing and simple assembly. When time-tested reliability and signal punch matter most, turn to Momobeam to elevate your station to the next level!
Momobeam Multiband End Fed Wire Antennas
Momobeam Multiband End Fed Wire Antennas are the perfect HF solution for amateur radio operators seeking simplicity, versatility, and performance. Designed for both fixed and portable operation, these multiband antennas can be deployed quickly in horizontal, inverted L, or sloper configurations—ideal for operators on the go. Covering the 80–10m or 40–10m amateur bands (depending on the model) and delivers reliable multiband performance. Built to last, these end-fed wire antennas feature stainless steel hardware and UV-resistant materials for long-term durability. At their core is a coated copper wire radiator paired with a 49:1 impedance transformer, ensuring efficient 50-Ohm operation across the entire operating range. Rooted in the rich history of end-fed technology—dating back to the Zepp antennas used on Zeppelin airships during World War I—these antennas combine proven design principles with modern engineering for unmatched versatility. Whether you're a beginner or a seasoned operator, Momobeam Multiband End Fed Wire Antennas are your go-to solution for dependable HF performance.
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$159.99
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$313.99
Momobeam RFC-LI 1kW Single Core Line Isolator RF Choke Baluns
Momobeam RFC-LI 1kW Single Core Line Isolator RF Choke Baluns are efficient broadband common mode current chokes designed to ensure proper current balance and clean transitions between balanced resonant antennas—such as dipoles and Yagi antennas—and unbalanced coaxial feed lines. By delivering excellent suppression of unwanted common mode current across a wide frequency range, these RF chokes help maintain optimal antenna performance and protect sensitive station equipment. Common mode currents can cause a variety of station problems, including elevated receiver noise levels, inaccurate SWR measurements, and interference affecting nearby electronic devices or equipment within the shack. The RFC LI effectively prevents these issues by stopping common mode current from traveling on the outside of the coaxial shield, ensuring cleaner transmit and receive performance under all operating conditions.
Not Yet Reviewed
$144.99
Momobeam Multiband Coil Shortened End Fed Wire Antennas
Momobeam Multiband Coil Shortened End Fed Wire Antennas are the perfect HF solution for amateur radio operators seeking simplicity, versatility, and performance. Designed for both fixed and portable operation, these multiband antennas can be deployed quickly in horizontal, inverted L, or sloper configurations—ideal for operators on the go. Covering the 80–10m or 40–10m amateur bands (depending on the model) and delivers reliable multiband performance. Built to last, these end-fed wire antennas feature stainless steel hardware and UV-resistant materials for exceptional durability. At their core is a coated copper wire radiator paired with a 49:1 impedance transformer, delivering efficient 50-Ohm operation across the entire frequency range. An integrated loading coil adds the necessary inductance to ensure proper resonance when using shortened antenna wires. Rooted in the rich history of end-fed technology—dating back to the Zepp antennas used on Zeppelin airships during World War I—these antennas combine proven design principles with modern engineering for unmatched versatility. Whether you're a beginner or a seasoned operator, Momobeam Multiband End Fed Wire Antennas are your go-to solution for dependable HF performance.
Not Yet Reviewed
$212.99
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$399.99
Momobeam RFC-LI 2kW Dual Core Line Isolator RF Choke Baluns
Momobeam RFC-LI 2kW Dual Core Line Isolator RF Choke Baluns are efficient broadband common mode current chokes designed to ensure proper current balance and clean transitions between balanced resonant antennas—such as dipoles and Yagi antennas—and unbalanced coaxial feed lines. By delivering excellent suppression of unwanted common mode current across a wide frequency range, these RF chokes help maintain optimal antenna performance and protect sensitive station equipment. Common mode currents can cause a variety of station problems, including elevated receiver noise levels, inaccurate SWR measurements, and interference affecting nearby electronic devices or equipment within the shack. The RFC LI effectively prevents these issues by stopping common mode current from traveling on the outside of the coaxial shield, ensuring cleaner transmit and receive performance under all operating conditions.
Not Yet Reviewed
$180.99
Momobeam Mono3-20 Monoband Yagi Antennas
Momobeam Mono3 20 Monoband Yagi Antennas are engineered using the latest generation design software to deliver exceptional performance across the entire 20 meter frequency range. With full size elements and precision optimized geometry, these antennas are ideal for operators who want maximum efficiency, gain, and on air reliability without compromise. Built on a robust square boom, the MONO3 20 antennas are designed for easy, accurate assembly. Each system includes an assembly tool, spare hardware (bolts and aluminum tubing), and fully labeled components. All hardware is packaged in clearly marked bags, and every aluminum tube is labeled to ensure a fast, frustration free installation experience. These antennas are suitable for both mast mounting and side mount tower configurations, offering excellent flexibility for station design. A medium duty rotor is required for proper operation. To further enhance performance and reduce feedline issues, every MONO3 20 antenna comes standard with a 3 kW RF choke balun—a premium component that many manufacturers offer only as an upgrade. Momobeam RF Chokes are constructed from high quality, low loss, double shielded coaxial cable with a Teflon dielectric, combined with carefully selected ferrite material sleeved over the cable to create a high impedance path for RF, providing excellent isolation between the antenna and the coaxial feedline.
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$1,389.99
Momobeam TRI10 Multiband HF Yagi Antennas
Momobeam TRI10 Multiband HF Yagi Antennas are a widely favored, medium sized triband Yagi antenna system that delivers impressive performance at an attractive price point. Covering the 20, 15, and 10 meter bands through a single coaxial feed line, these antennas offer a fully optimized element configuration for each band. On 20 and 15 meters, they feature three full size elements—reflector, driver, and director—while the 10 meter band incorporates four elements arranged as a reflector, driver, and two directors for enhanced gain and directivity. Engineered for convenience, TRI10 Yagi antennas require no calibration or band specific adjustments; during assembly, there is no need to choose between CW and SSB segments. They provide flat SWR below 1.5:1 across all operating bands, making them perfectly suited for modern transceivers and high power linear amplifiers. Each TRI10 is supplied with an assembly tool and spare parts, including bolts and aluminum tubing, ensuring operators have everything needed for smooth installation. The high quality 3kW RF choke balun—often an extra cost option with other manufacturers—is included as standard to ensure efficient, trouble free operation. Built on a robust square boom, these antennas offer long term stability, precise element alignment, and a clean, professional appearance. All hardware ships in clearly labeled bags, and every aluminum tube is individually marked, making assembly simple, intuitive, and fast.
Not Yet Reviewed
$2,230.99
Momobeam PENTA10 Five Band HF Yagi Antennas
Momobeam PENTA10 Five Band HF Yagi Antennas are popular multiband antennas designed with a compact footprint while delivering full size performance across the 10, 12, 15, 17, and 20 meter bands—all through a single coaxial feed line. Their full size elements provide performance far superior to older multiband designs, and the carefully optimized element spacing—developed using advanced simulation software—ensures exceptional gain, directivity, and on air results. Built on a robust square boom, these antennas offer long term durability, perfect element alignment, and a clean, professional appearance. Assembly is exceptionally straightforward thanks to clearly labeled hardware, telescoping aluminum tubing, and the organized packaging that characterizes all MOMOBEAM products. Each PENTA10 includes an assembly tool and spare parts to support smooth deployment. The high quality 3kW RF choke balun, supplied as standard even though many manufacturers treat it as an optional upgrade, ensures efficient, trouble free operation. With their compact dimensions, superior engineering, and user friendly assembly, Momobeam PENTA10 Five Band HF Yagi Antennas are the ideal choice for operators seeking outstanding performance along with simple, intuitive installation.
Not Yet Reviewed
$1,929.99
Momobeam Mono6-6HD Monoband Yagi Antennas
Momobeam Mono6-6HD Monoband Yagi Antennas are full size, high performance antennas designed for the 6 meter (50MHz) amateur band, utilizing a five element configuration consisting of a reflector, driver, and four directors to deliver strong, reliable gain and directivity. Built on a robust square boom, these antennas are engineered to withstand harsh environmental conditions, including strong winds, ice, and snow, making them ideal for demanding installations. They are powered directly with a 50 ohm feed through a single coaxial line connected to a included 2kW 1:1 RF choke balun, ensuring clean and stable performance. Momobeam designed these Mono6-6HD antennas to operate across a wide bandwidth without requiring user adjustments, offering operators a straightforward and dependable setup. For proper operation and positioning, the Mono6-6HD requires a light duty rotator.
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$1,121.99
Momobeam Mono5-6HD Monoband Yagi Antennas
Momobeam Mono5 6HD monoband Yagi antennas are full size, high performance antennas designed for the 6 meter (50MHz) amateur band, utilizing a five element configuration consisting of a reflector, driver, and three directors to deliver strong, reliable gain and directivity. Built on a robust square boom, these antennas are engineered to withstand harsh environmental conditions, including strong winds, ice, and snow, making them ideal for demanding installations. They are powered directly with a 50 ohm feed through a single coaxial line connected to an included 2kW 1:1 RF choke balun, ensuring clean and stable performance. Momobeam designed these Mono5-6HD antennas to operate across a wide bandwidth without requiring user adjustments, offering operators a straightforward and dependable setup. For proper operation and positioning, the Mono5-6HD requires a light duty rotator.
Not Yet Reviewed
$905.99
Momobeam RFC-SC Single Core 1kW RF Choke Baluns
Momobeam RFC SC Single Core 1 kW RF Choke Baluns are efficient broadband common mode current (CMC) chokes designed to ensure proper current balance and clean transitions between balanced resonant antennas—such as dipoles and Yagi antennas—and unbalanced coaxial feed lines. By delivering excellent suppression of unwanted CMC across a wide frequency range, these RF chokes help maintain optimal antenna performance and protect sensitive station equipment. Common mode currents can cause a variety of station problems, including elevated receiver noise levels, inaccurate SWR measurements, and interference affecting nearby electronic devices or equipment within the shack. The RFC SC effectively prevents these issues by stopping CMC from traveling on the outside of the coaxial shield, ensuring cleaner transmit and receive performance under all operating conditions. Thanks to its broadband characteristics, the RFC SC can be used with virtually any 50 ohm feed antenna system. It is ideal for Yagi antennas, resonant dipoles, and any installation where clean feedline behavior is essential. The choke also serves as an excellent replacement for damaged or aging 1:1 RF chokes or baluns, offering improved suppression and modern build quality. With robust performance, wide compatibility, and reliable common mode current elimination, the Momobeam RFC SC Single Core 1 kW RF Chokes provide a simple yet essential upgrade for ensuring your antenna system operates at its best.
Not Yet Reviewed
$144.99
Momobeam RFC-DU 5kW RF Choke Baluns
Momobeam RFC-DU 5kW RF Choke Baluns provide an excellent balance of currents and ensure a proper transition between balanced resonant antenna systems (with low SWR)—such as dipoles and Yagi antennas—and unbalanced coaxial feedlines. These RF Chokes are highly effective at suppressing common mode current from flowing along the exterior of coaxial feedlines, a condition that can cause several issues, including: - Increased noise levels - Inaccurate SWR meter readings - Interference affecting electronic devices within our shack or near the antenna system
Not Yet Reviewed
$265.99
Momobeam TRI9 30/17/12 Meter Full-Size Yagi Antennas
Momobeam TRI9 30/17/12 Meter Full-Size Yagi Antennas are the perfect choice for operators who appreciate the unique characteristics of the WARC bands. These antennas offer medium overall dimensions while maintaining full size elements across all three bands, ensuring optimal efficiency and strong on air results. The design features four elements on 24 MHz, three elements on 18 MHz, and two elements on 10 MHz, delivering excellent gain, bandwidth, and pattern control on each band. Engineered for consistent, high quality performance, TRI9 30/17/12 antennas provide a flat SWR curve with values under 1.5:1 across all three WARC bands without requiring additional tuning. Their electrical performance allows operators to break through demanding pileups with confidence, giving the station a significant advantage during DX openings and rare entity activations. Each TRI9 30/17/12 antenna includes an assembly tool and spare parts such as bolts and an aluminum tube, offering convenience and long term serviceability. A high quality 3kW RF choke balun is supplied as standard—a premium component that many manufacturers offer only as an extra-cost option. This balun helps maintain clean RF behavior, reducing unwanted feed line currents and improving overall system performance. Assembly is designed to be simple, fast, and intuitive. The antennas use a square boom structure, and all hardware arrives in individually labeled bags. Every aluminum tube is clearly marked to ensure accurate placement, making the installation process smooth and error free even for first time builders. Requiring a medium to heavy duty rotator, the TRI9 30/17/12 Meter Yagi Antennas combine mechanical strength, refined electrical engineering, and user friendly assembly. They deliver outstanding performance for WARC enthusiasts who want powerful, dependable antennas without excessive footprint or complexity.
Not Yet Reviewed
$3,609.99
Momobeam Mono4-20 Monoband Yagi Antennas
Momobeam Mono4-20 Monoband Yagi Antennas are full size, four element Yagi antennas designed to deliver excellent SWR bandwidth, optimal gain, and impressive front to back performance. These antennas remain lightweight for effortless handling while offering the strength needed to withstand harsh weather conditions. MONO4 20 excels in multi stacked array configurations. Stacks can be optimized for maximum forward gain or arranged to broaden directional coverage across multiple regions—making them an excellent choice for contest stations and serious DX operators. Built on a square boom, they are supplied with an assembly tool, spare hardware components, and clearly labeled bolts and aluminum tubes to ensure fast and intuitive assembly. All hardware is packaged in separate, clearly marked bags for added convenience. Mono4-20 can be mounted on a mast or side mounted on towers and require a medium duty rotator. A 3kW RF choke balun is included as standard equipment—an essential component that many manufacturers offer only as an optional upgrade. Momobeam RF Chokes are built using high quality, low loss, double shielded coaxial cable with a Teflon dielectric, combined with carefully selected ferrite material sleeved over the cable. Together, these elements create a high impedance path for RF, providing excellent isolation between the antenna and the coaxial feedline.
Not Yet Reviewed
$2,230.99
Momobeam Mono5-10 Monoband Yagi Antennas
Momobeam Mono5-10 Monoband Yagi Antennas are 5 element OWA (Optimized Wideband Antenna) Yagi antennas designed to deliver low SWR and a stable 50 ohm impedance across the 28 MHz band, making them a traditional, reliable choice for 10 meter operation. These antennas are factory pre calibrated, requiring no additional tuning, and they provide smooth coverage of the entire operating band with excellent front to back performance, a flat SWR curve under 1.5:1, and impressive gain. Built on a durable square boom, the MONO5 10 antennas include an assembly tool along with spare bolts and aluminum tubing, and all components are clearly labeled to ensure quick, straightforward assembly. Mono5-10 antennas can be mast mounted or side mounted on towers and require a medium duty rotator for proper operation. A 3kW RF choke balun is included as standard equipment—an essential component that many manufacturers offer only as an optional upgrade. Momobeam RF Chokes are built using high quality, low loss, double shielded coaxial cable with a Teflon dielectric, combined with carefully selected ferrite material sleeved over the cable. Together, these elements create a high impedance path for RF, providing excellent isolation between the antenna and the coaxial feedline.
Not Yet Reviewed
$1,507.99
Momobeam Mono5-15 Monoband Yagi Antennas
Momobeam Mono5-15 Monoband Yagi Antennas are five element OWA (Optimized Wideband Antenna) designs that provide traditional, reliable performance for 15 meter operation. They easily cover the entire band with a flat SWR curve below 1.5:1, delivering excellent front to back ratio and strong gain across the operating range. Built on a robust square boom, these antennas include an assembly tool along with spare bolts and aluminum tubing, with all hardware supplied in clearly labeled bags and every aluminum tube individually marked to ensure fast and trouble free assembly. MONO5 15 antennas can be mast mounted or side mounted on towers and require a medium duty rotator for optimal directional control. A 3kW RF choke balun is included as standard equipment—an essential component that many manufacturers offer only as an optional upgrade. Momobeam RF Chokes are built using high quality, low loss, double shielded coaxial cable with a Teflon dielectric, combined with carefully selected ferrite material sleeved over the cable. Together, these elements create a high impedance path for RF, providing excellent isolation between the antenna and the coaxial feedline.
Not Yet Reviewed
$2,280.99
Momobeam Choke/Balun Mounting Brackets
Momobeam Choke/Balun Mounting Brackets enable the installation of Momobeam RF chokes on all compatible square and round Momobeam antenna booms. Constructed from durable, UV resistant ASA material, these brackets ensure long term reliability. Each package includes two properly sized plastic cable ties for secure choke attachment.
Not Yet Reviewed
$49.99
Momobeam MONO2 40T Monoband Yagi Antennas
Momobeam MONO2 40T Monoband Yagi Antennas are engineered for operators who demand maximum performance on the 40 meter band. Featuring a precision Reflector/Driver configuration, the compacted W6NL style elements are securely mounted on a robust square boom, delivering full size antenna performance within a reduced physical footprint. With no traps or loading coils and a clean, direct 50 ohm feed through the included high quality 3kW RF choke, the MONO2 40T offers excellent efficiency, reliability, and simplicity. Each antenna ships with clearly labeled hardware, aluminum tubing, spare parts, and an assembly tool—ensuring a smooth and efficient installation from start to finish.
Not Yet Reviewed
$2,886.00
Momobeam Tetra18-DF 40/20/15/10M Dual Feed Yagi Antennas
Momobeam Tetra18 DF 40/20/15/10M Dual Feed Yagi Antennas represent a versatile and high performance quad band antenna solution engineered for operators who demand exceptional results. These antennas deliver efficient, optimized performance while maintaining a compact structure, making them ideal for contesting, DXing, and multi station operation. On 40 meters, the Tetra18 DF antennas use a classic Reflector/Driver configuration, with element lengths compacted through end loading. This design approach, originally adopted by W6NL, preserves the on air performance and gain characteristics of a full size 40 meter Yagi while significantly reducing the physical span of the elements. The result is a mechanically manageable 40 meter system that still performs like a full sized antenna. Across 20, 15, and 10 meters, these antennas employ full size elements arranged in proven high gain configurations: four elements on 20 meters, five elements on 15 meters, and seven elements on 10 meters. This design provides excellent forward gain, clean patterns, and wide bandwidth without the compromises of traps, loading coils, or mechanical switching systems. Because no traps, motors, relays, or other moving parts are used, the antennas achieve exceptional long term reliability and mechanical simplicity. All components are built from durable, high quality aluminum to ensure performance and longevity in demanding environments. The dual feed system is a defining feature of the Tetra18 DF antennas. It enables contest stations to operate these antennas as true multi monoband systems. One transceiver/amplifier can operate on 20/15/10 meters, while a second station transmits on 40 meters simultaneously—an arrangement made possible by the fully isolated feed architecture. This configuration maximizes multi operator efficiency, with the only added requirement being the use of external band pass filters (BPFs) to protect equipment between stations. Each Tetra18 DF antenna is supplied with a dedicated Assembly Tool, spare hardware, and two aluminum tube sections to ensure smooth installation and long term maintainability. Additionally, two high quality 3kW RF choke baluns are included as standard equipment—a significant advantage, as many manufacturers treat these essential components as optional add on. Assembly is straightforward thanks to the use of a square boom, clearly labeled aluminum elements, and individually packaged and labeled hardware. These design choices make the construction process intuitive and efficient, even for first time installers. The system requires two coaxial feedlines—one dedicated to the 40 meter feed point and the other feeding 20/15/10 meters —and a heavy duty rotator to accommodate the overall mechanical load. Momobeam Tetra18 DF Dual Feed Yagi Antennas offer outstanding quad band performance, unmatched reliability, and advanced operating flexibility. They are engineered to satisfy contest grade requirements while maintaining ease of installation and long term mechanical stability, making them a standout choice for serious HF stations seeking the highest levels of performance across the 40/20/15/10 meter bands.
Not Yet Reviewed
$7,469.99
Momobeam TRI12-SF Separate Feed 20/15/10 Meter Yagi Antennas
Momobeam TRI12 SF Separate Feed 20/15/10 Meter Yagi Antennas are outstanding medium sized triband Yagi antennas designed for operators who demand strong performance without the compromises of traps or mechanical tuning systems. These antennas cover the 20, 15, and 10 meter bands with exceptionally low SWR, and because all elements are full size, they deliver performance that clearly surpasses older generation designs. No calibration or adjustments are required—simply enjoy reliable operation, even in the most challenging pileups. Thanks to their separate feedlines, TRI12 SF antennas allow three different transceivers to operate simultaneously, effectively functioning as three independent monoband antennas when used with proper band pass filters to protect station equipment. This configuration makes them an excellent choice for multi operator, multi band operation, whether for contesting or chasing DX. Assembly is engineered to be simple and intuitive. The TRI12 20/15/10 SF antennas use a square boom structure, and all components arrive well organized for a smooth installation experience. Every hardware piece is packaged in its own labeled bag, and all aluminum tubes are clearly marked, ensuring fast and error free assembly. These antennas require three coaxial feedlines, and a medium load rotator for proper operation. Three high quality 3kW RF choke baluns are included as standard—an important advantage, as many manufacturers offer them only as optional upgrades. With their combination of high performance, mechanical strength, and advanced separate feed capability, the TRI12 SF Separate Feed Yagi Antennas become indispensable partners for serious Amateur Radio operators seeking powerful and flexible triband performance.
Not Yet Reviewed
$3,609.99
Momobeam TRI16-BT 20/15/10 Meter Yagi Antennas
Momobeam TRI16 BT 20/15/10 Meter Yagi Antennas are high performance tri band antenna systems engineered specifically for installation on large towers and demanding station environments. Designed for operators who require exceptional gain, pattern control, and mechanical durability, these antennas deliver powerful, consistent results across the 20, 15, and 10 meter bands. TRI16 BT antennas are truly unique. The generous spacing between the elements around the boom to mast plate allows installation on towers with sides up to 70 inches per side. Built on a 38 foot boom, each antenna features a total of sixteen elements: four elements on 20 meters (reflector, driver, and two directors), five elements on 15 meters (reflector, driver, and three directors), and seven elements on 10 meters (reflector, driver, and five directors). This aggressive element configuration delivers outstanding forward gain and strong rejection performance across all bands. Each TRI16 BT antenna includes an assembly tool and spare hardware such as bolts and an aluminum replacement tube. A high quality 3kW RF choke balun is also included as standard—an important advantage, as many manufacturers offer similar components only as optional extras. This premium balun ensures proper feed line isolation and cleaner RF behavior for high power operation. Assembly is designed to be straightforward and intuitive. The antennas use a square boom structure for strength and reliability, and all hardware is packaged in individually labeled bags. Each aluminum tube is clearly marked for quick identification, ensuring a smooth, error free installation process even on complex large tower projects. TRI16 BT antennas require only a single coaxial cable and a medium to heavy duty rotator to support their robust mechanical build. With their combination of advanced engineering, substantial element count, and tower friendly design, these antennas provide exceptional performance for serious Amateur Radio operators who demand the very best from their tri band Yagi systems.
Not Yet Reviewed
$4,572.99
Momobeam TRI7 20/15/10 Meter Tri-Band Yagi Antennas
Momobeam TRI7 20/15/10 Meter Tri-Band Yagi Antennas are compact, high performance antenna systems engineered for operators seeking exceptional results on 20, 15, and 10 meters while using a single coaxial feed. These antennas are designed to deliver strong, reliable communication performance in a small footprint, making them ideal for both limited space installations and full size stations. On 20 and 15 meters, the antennas utilize a full size reflector/driver configuration that offers performance far beyond older generation designs, providing improved forward gain, cleaner patterns, and excellent band coverage. On 10 meters, they incorporate a three element system—reflector, driver, and director—optimized with advanced simulation software to achieve maximum efficiency and predictable behavior across the band. Assembly is fast and stress free, requiring no calibration or band specific adjustments such as choosing between CW or SSB during installation. With an SWR consistently under 1.5:1 across all operating bands, these antennas are fully compatible with modern transceivers and linear amplifiers, ensuring stable operation even at high power levels. Each unit includes a complete set of accessories, such as an assembly tool, spare hardware, and a robust 3kW RF choke balun—a valuable component that many competing manufacturers sell separately. The square boom construction and clearly labeled aluminum parts, each organized in separate bags, ensure intuitive and error free assembly from start to finish. With only a single coaxial cable required and compatibility with medium/light duty rotators, the TRI7 antennas combine simplicity, advanced engineering, and excellent build quality, making them an outstanding choice for Amateur Radio operators who want maximum performance with minimal installation effort. Optional configurations, including separate feed versions (MOO TRI7101520SF), offer additional flexibility for operators who prefer independent band feeds.
Not Yet Reviewed
$1,556.99
Momobeam RFC-LI 4kW Dual Big Core Line Isolator RF Choke Baluns
Momobeam RFC-LI 2kW Dual Core Line Isolator RF Choke Baluns are efficient broadband common mode current chokes designed to ensure proper current balance and clean transitions between balanced resonant antennas—such as dipoles and Yagi antennas—and unbalanced coaxial feed lines. By delivering excellent suppression of unwanted common mode current across a wide frequency range, these RF chokes help maintain optimal antenna performance and protect sensitive station equipment. Common mode currents can cause a variety of station problems, including elevated receiver noise levels, inaccurate SWR measurements, and interference affecting nearby electronic devices or equipment within the shack. The RFC LI effectively prevents these issues by stopping common mode current from traveling on the outside of the coaxial shield, ensuring cleaner transmit and receive performance under all operating conditions.
Not Yet Reviewed
$229.99
Momobeam RFC-DBC Dual Big Core 4kW RF Choke Baluns
Momobeam RFC-DBC Dual Big Core 4kW RF Choke Baluns are efficient broadband common mode current chokes designed to ensure proper current balance and clean transitions between balanced resonant antennas—such as dipoles and Yagi antennas—and unbalanced coaxial feed lines. By delivering excellent suppression of unwanted common mode current across a wide frequency range, these RF chokes help maintain optimal antenna performance and protect sensitive station equipment. Common mode currents can cause a variety of station problems, including elevated receiver noise levels, inaccurate SWR measurements, and interference affecting nearby electronic devices or equipment within the shack. The RFC DBC effectively prevents these issues by stopping common mode current from traveling on the outside of the coaxial shield, ensuring cleaner transmit and receive performance under all operating conditions. Thanks to its broadband characteristics, the RFC DBC can be used with virtually any 50 ohm feed antenna system. It is ideal for Yagi antennas, resonant dipoles, and any installation where clean feedline behavior is essential. The choke also serves as an excellent replacement for damaged or aging 1:1 RF chokes or baluns, offering improved suppression and modern build quality. With robust performance, wide compatibility, and reliable common mode current elimination, the Momobeam RFC-DBC Dual Big Core 4kW RF Choke Baluns provide a simple yet essential upgrade for ensuring your antenna system operates at its best.
Not Yet Reviewed
$229.99
Momobeam RFC-DC Dual Core 2kW RF Choke Baluns
Momobeam RFC-DC Dual Core 2kW RF Choke Baluns are efficient broadband common mode current chokes designed to ensure proper current balance and clean transitions between balanced resonant antennas—such as dipoles and Yagi antennas—and unbalanced coaxial feed lines. By delivering excellent suppression of unwanted common mode current across a wide frequency range, these RF chokes help maintain optimal antenna performance and protect sensitive station equipment. Common mode currents can cause a variety of station problems, including elevated receiver noise levels, inaccurate SWR measurements, and interference affecting nearby electronic devices or equipment within the shack. The RFC DC effectively prevents these issues by stopping common mode current from traveling on the outside of the coaxial shield, ensuring cleaner transmit and receive performance under all operating conditions. Thanks to its broadband characteristics, the RFC DC can be used with virtually any 50 ohm feed antenna system. It is ideal for Yagi antennas, resonant dipoles, and any installation where clean feedline behavior is essential. The choke also serves as an excellent replacement for damaged or aging 1:1 RF chokes or baluns, offering improved suppression and modern build quality. With robust performance, wide compatibility, and reliable common mode current elimination, the Momobeam RFC DC Dual Core 2kW RF Chokes provide a simple yet essential upgrade for ensuring your antenna system operates at its best.
Not Yet Reviewed
$180.99