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Duplexers & Triplexers

Comet CF-503C - High Power Duplexer


Comet CF-503C - High Power Duplexer

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About Comet CF-503C - High Power Duplexer

Comet CF 503C is for transmitting and receiving both 50Mhz (or HF Bands), and 144Mhz (or 430 MHz) at the same time. The isolation between the two connectors is more than 45dB, in the case of using the CF 503C for one frequency, the other connector can remain open, although using a dummy load would be preferred.

Key Features/Specifications:

  • Band Pass Frequency & Input Loss
  • 1.3 - 90 MHz / Less than 0.15dB
  • 125 - 470Mhz / Less than 0.2dB
  • Impedance : 50 Ohms
  • VSWR : Less than 1:1.2
  • Maximum Input Power 1.3 - 470 MHz 600 Watts (PEP)
  • Weight 0.3Kg
  • Measurements W66 X D90 X H26 mm
  • Input 1 x PL259 Plug Fitted Direct to Duplexer
  • Output 2 x SO239 Sockets Fitted Direct to Duplexer


We aim to dispatch all parcels within 24hrs. We are normally able to dispatch parcels SAME DAY where orders are received before 2.00pm Monday to Friday.


Whilst we try our best to ship same day, we cannot guarantee delivery time. You will however receive tracking details as soon as your order has been processed.


Please note that we do not process orders over the weekend, so orders placed after 2pm on Friday will not ship until Monday.


Please allow an extra processing day for international orders to enable us to complete export/import custom clearance declarations.

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