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Triplexers & Duplexers

Double or triple the versatility of your multi-band antenna! Our duplexers and triplexers allow you to connect multiple radios to a single antenna, so you can use each...

Double or triple the versatility of your multi-band antenna! Our duplexers and triplexers allow you to connect multiple radios to a single antenna, so you can use each radio to operate a different band. This eliminates the need for multiple antennas and extra coaxial cable. Ideal for Field Day and enhanced DXing, our duplexers and triplexers come in a variety of power outputs and frequency ranges to meet your needs. Shop Comet duplexers and triplexers, MFJ duplexers, and more at DX Engineering today!

Double or triple the versatility of your multi-band antenna! Our duplexers and triplexers allow you to connect multiple radios to a single antenna, so you can use each radio to operate a different band. This eliminates the need for multiple antennas and extra coaxial cable. Ideal for Field Day and enhanced DXing, our duplexers and triplexers come in a variety of power outputs and frequency ranges to meet your needs. Shop Comet duplexers and triplexers, MFJ duplexers, and more at DX Engineering today!

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Results 1 - 6 of 6

Comet Triplexers

Are you in need of splitting off your HF, VHF, or UHF signals, then Comet triplexers are what you are looking for. Sometimes referred to as combiners or splitters, these triplexers are basically band-pass filters, simultaneously passing RF in both directions through the common connector, while the band-pass filters provide a high degree of isolation between ports. Additional information: * TX and RX from three radios at the same time into a single triband antenna. * Combine a triband radio with separate outputs into a single triband antenna. * Allow a single coax run into three antennas at the top of the tower, and three radios at the bottom, by using a triplexer at both ends of the coax run, avoiding cost and weight.

4.94 out of 5 stars ( 17 )

$86.49

$124.49

Diamond Antenna Duplexers

Diamond Antenna Duplexers are just what you need when splitting HF, VHF, or UHF signals. These duplexers may be used for combining two transceivers into one coax feed line. They are ideal for connecting HF/VHF radios, such ICOM IC-706 and IC-7000 series, and Yaesu FT-857 series, with two antenna ports, to a single feedline multi-band antenna, like the Diamond V7A. Diamond Antenna Duplexers eliminate the need to use an antenna switch and are made with a high-quality aluminum case with a black finish.

4.96 out of 5 stars ( 24 )

$46.99

$78.99

Comet Duplexers

If you are in need of splitting off your HF, VHF, or UHF signals, then Comet Duplexers are what you are looking for. Sometimes referred to as combiners or splitters, these duplexers are basically band-pass filters, simultaneously passing RF in both directions through the common connector, while the band-pass filters provide a high degree of isolation between ports. Additional information: * TX and RX from two radios at the same time into a dual-band antenna. * Combine a dual-band radio with separate outputs into a dual-band antenna. * Separate a single connector duplexed radio into separate antenna systems. * Allow a single coax run into two antennas at the top of the tower, and two radios at the bottom by using a duplexer at both ends of the coax run, avoiding additional coaxial cost and weight. Just imagine the utility of these devices for splitting or combining signals- and adding convenience and cost savings. Order Comet Duplexers from DX Engineering!

4.93 out of 5 stars ( 60 )

$63.49

$104.49

Diamond Antenna Triplexers

Diamond Antenna Triplexers are used to split or combine HF, VHF, and UHF signals. These triplexers may be used for combining three transceivers or transceiver connectors with different band ranges onto one coax feed line. Diamond triplexers feature a high-quality aluminum case with a black finish.

5.0 out of 5 stars ( 25 )

$89.99

$93.99

4O3A HFC4500 Signature Series Antenna Triplexer/Combiners

4O3A HFC4500 Signature Series Antenna Triplexer/Combiners are truly a game changer for SO2R, multi-operator contest stations, DXpeditions, and Field Day operation. They allow a single triband 20/15/10-meter Yagi antenna, fed with one coaxial feedline, to be used by three stations simultaneously, with each station running up to 4.5kW. The 4O3A Signature Series Triplexer System eliminates the need for separate monoband Yagi's on the 20m, 15m, and 10m bands. Three operators, three stations, and three amps—but only one feedline and one antenna. The 4O3A HF Triplexer System uses the high-power HFC4500 Combiner, which connects to a triband 20m/15m/10m antenna, and provides dedicated ports for 20m, 15m, and 10m. Each port must be connected to a 4O3A Series S Bandpass Filter. The Combiner is not intended for standalone use.

Not Yet Reviewed

$642.99

4O3A QPXC-8 Triplexer Extenders

4O3A QPXC-8 Triplexer Extenders are designed to meet the needs of large station setups, with flexibility as a core feature. Instead of using a fixed quadriplexers with four band-specific outputs, the QPXC-8 functions as an extension to the existing triplexer system, allowing for more versatile signal routing. It is compatible with both 4O3A filters and filters from other manufacturers.

Not Yet Reviewed

$909.99

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