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!

Individual Parts

Part Groups

Results 1 - 25 of 39

Comet Triplexers CFX-431A

Triplexer, 1.3-150 MHz Low Pass, 350-500 MHz Mid Pass, 840-1,400 MHz High Pass, w/Leads, Each

Part Number: CMA-CFX-431A

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Triplexers CFX-324J

Triplexer, 1.3-150 MHz Low Pass, 200-320 MHz Mid Pass, 390-500 MHz High Pass, Each

Part Number: CMA-CFX-324J

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna Duplexers MX62M

Duplexer, Mix SO-239, Low Pass PL-259 1.6-56 MHz, Hi Pass PL-259 76-470 MHz, 12 in. Cables, Each

Part Number: DMN-MX62M

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Duplexers CF-416A

Duplexer, 1.3-170 MHz Low Pass, 350-540 MHz High Pass, 60 dB Isolation, Each

Part Number: CMA-CF-416A

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Duplexers CF-4160J

Duplexer, 1.3-170 MHz Low Pass, 350-540 MHz High Pass, 60 dB Isolation, Each

Part Number: CMA-CF-4160J

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Duplexers CF-4160N

Duplexer, 1.3-170 MHz Low Pass, 350-540 MHz High Pass, 60 dB Isolation, Each

Part Number: CMA-CF-4160N

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Duplexers CF-530C

Duplexer, 1.3-90 MHz Low Pass, 125-470 MHz High Pass, 45 dB Isolation, Each

Part Number: CMA-CF-530C

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna Triplexers MX3000N

Triplexer, Mix N Female, Low PL-259 1.6-160 MHz, Mid N Male 350-500 MHz, Hi N Male 850-1300 MHz, 12 in. Cables

Part Number: DMN-MX3000N

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Duplexers CF-530

Duplexer, 1.3-90 MHz Low Pass, 125-470 MHz High Pass, 45 dB Isolation, Each

Part Number: CMA-CF-530

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna Duplexers MX72N

Duplexer, Mix SO-239, Low Pass PL-259 1.6-30+49-150 MHz, Hi Pass N Male 400-460 MHz, 12 in. Cables, Each

Part Number: DMN-MX72N

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Duplexers CF-706A

Duplexer, 1.3-57 MHz Low Pass, 75-550 MHz High Pass, 40 dB Isolation, Each

Part Number: CMA-CF-706A

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Duplexers CF-416B

Duplexer, 1.3-170 MHz Low Pass, 350-540 MHz High Pass, 60 dB Isolation, Each

Part Number: CMA-CF-416B

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Triplexers CFX-324A

Triplexer, 1.3-150 MHz Low Pass, 200-300 MHz Mid Pass, 390-500 MHz High Pass, 40 dB Isolation, Each

Part Number: CMA-CFX-324A

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna Duplexers MX610

Duplexer, Mix SO-239, Low Pass PL-259 1.3-30 MHz, Hi Pass PL-259 49-470 MHz, 12 in. Cables, Each

Part Number: DMN-MX610

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna Duplexers MX72A

Duplexer, Mix N Female, Low Pass PL-259 1.6-30+140-150 MHz, Hi Pass N Male 400-460 MHz, 12 in. Cables, Each

Part Number: DMN-MX72A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna Triplexers MX3000

Triplexer, Mix N Female, Low PL-259 1.6-160 MHz, Mid PL-259 350-500 MHz, Hi N Male 850-1300 MHz, 12 in. Cables

Part Number: DMN-MX3000

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

4O3A HFC4500 Signature Series Antenna Triplexer/Combiners 4O-HFC4500PL

Triplexer/Combiner, 20/15/10M, 4500W PEP, 72dB+ Isolation, 0.10-0.15dB Insertion Loss, SO-239/UHF Female, Each

Part Number: O3A-4O-HFC4500PL

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2027 if ordered today

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Estimated Ship Date: Jan 14, 2027 if ordered today

Diamond Antenna Duplexers MX72D

Duplexer, Mix SO-239, Low Pass PL-259 1.6-30+49-150 MHz, Hi Pass PL-259 400-460 MHz, No Cables, Each

Part Number: DMN-MX72D

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Triplexers CFX-514J

Triplexer, 1.3-90 MHz Low Pass, 130-200 MHz Mid Pass, 380-500 MHz High Pass, 55 dB Isolation, Each

Part Number: CMA-CFX-514J

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna Triplexers MX2000

Triplexer, Low 1.6-60 MHz PL259, Mid 110-170 MHz PL259, High 300-950 MHz PL259, Mix SO-239, Each

Part Number: DMN-MX2000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Duplexers CF-360B

Duplexer, 1.3-30 MHz Low Pass, 49-470 MHz High Pass, 45 dB Isolation, Each

Part Number: CMA-CF-360B

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

4O3A QPXC-8 Triplexer Extenders 4O-QPXC8-PL

Triplexer Extender, QPXC-8, 1.8-30MHz, 4500W, 50-Ohm, SO-239, Mounting Flange, Each

Part Number: O3A-4O-QPXC8-PL

Not Yet Reviewed

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Triplexers CFX-514N

Triplexer, 1.3-90 MHz Low Pass, 130-200 MHz Mid Pass, 380-500 MHz High Pass, 55 dB Isolation, Each

Part Number: CMA-CFX-514N

Not Yet Reviewed

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Comet Duplexers CF-416C

Duplexer, 1.3-170 MHz Low Pass, 350-1300 MHz High Pass, 60 dB Isolation, Each

Part Number: CMA-CF-416C

Not Yet Reviewed

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

4O3A QPXC-8 Triplexer Extenders 4O-QPXC8-N

Triplexer Extender, QPXC-8, 1.8-30MHz, 4500W, 50-Ohm, Type-N, Mounting Flange, Each

Part Number: O3A-4O-QPXC8-N

Not Yet Reviewed

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

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