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14 Results Found For "in-line"
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 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 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 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 DUO8 15/20 SF Dual Band HF Yagi Antennas
Momobeam DUO8 15/20 SF Dual Band HF Yagi Antennas are a single, separately fed dual-band full size antenna designed for the 14MHz (20m) and 21MHz (15m) amateur bands. With independent SO-239 feed lines connectors for each band, it enables simultaneous operation by two transceivers—without the need for expensive diplexers. Perfect for multi-operator contesting, the DUO8 15/20 SF eliminates the need for additional towers. Simply pair it with high-quality bandpass filters and you're ready to go. Enjoy true monoband performance from a single dual-band antenna. Assembly is simple and intuitive. The DUO8 15/20 SF uses a square boom, and all hardware is packaged in clearly labeled bags. Each aluminum tube is also labeled to ensure a quick and hassle-free setup.
Not Yet Reviewed
$3,245.99
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 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 TRI9-SF Separate Feed 20/15/10 Meter Yagi Antennas
Momobeam TRI9 SF Separate Feed 20/15/10 Meter Yagi Antennas are an ideal solution for operators seeking high performance tri band antennas with independent feed points. Each band is equipped with a full three element configuration—reflector, driver, and director—providing excellent gain, pattern control, and operating efficiency across 20, 15, and 10 meters. These antennas deliver balanced, consistent performance that appeals to both contesters and demanding DX enthusiasts. TRI9 SF antennas are perfectly suited for expanding contest stations and multi operator environments. Their separate feed architecture allows three operators to transmit simultaneously, each using a dedicated band, effectively functioning as if three individual monoband antennas were installed. When paired with appropriate band pass filters to protect equipment, this setup significantly optimizes tower space and reduces the complexity normally associated with multi band installations. This separate feed approach brings several key advantages to station design: fewer antennas are required overall, wind load on the tower is reduced, no external diplexer or triplexer is needed, and multi antenna or multi band stacking becomes simple to configure if desired. The result is a cleaner, more efficient station layout with improved upgrade potential for competitive operating. Each TRI9 SF antenna includes a complete accessory package, featuring an assembly tool and spare parts such as bolts and a pair of aluminum tubes. Three high quality 3kW RF choke baluns are supplied as standard—valuable components that many antenna manufacturers offer only as optional add-ons. Their inclusion ensures excellent feed line isolation and cleaner operating conditions across all three bands. Assembly is straightforward and intuitive. The antennas use a square boom design, and all hardware is organized in individually labeled bags, with each aluminum tube clearly marked for quick identification. This thoughtful packaging makes installation fast, accurate, and stress free, even for operators assembling complex multi antenna systems. TRI9 SF antennas require three coaxial cables and a medium load rotator for proper operation. With their combination of robust engineering, multi transceiver capability, and space efficient design, these antennas offer a powerful solution for serious Amateur Radio operators looking to enhance their contesting capabilities with minimal tower real estate.
Not Yet Reviewed
$2,762.99
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-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