Skip to main content

4O3A

8X2 Antenna Switch

$955.00
(No reviews yet) Write a Review

Expected release date is 15th Dec 2025

Hurry Up! Only left in stock!

Adding to cart… The item has been added

December Is Coming — And So Are the Deals! 

Black Friday and Christmas are the season of giving — so this year, we’re giving BIG.

For every order OF 4O3A PRODUCTS over $4000 AUD, you’ll receive an exclusive December Gift Bundle featuring our premium NC1 Headphones and the professional MC1 External Microphone boom — absolutely FREE!

The NC1 delivers exceptional performance with top-quality HiFi audio, advanced noise cancellation, Bluetooth connectivity, and a built-in mic for crystal-clear communication. Perfect for immersive listening or focused work.

The MC1 is a high-grade external microphone designed especially for radio operations — deploy it whenever precision audio matters most.

How to Get Your December Gift:
Simply make your purchase directly with Comtek Radio from November 24th to December 31st. No codes. No hassle. Just premium gifts with your order.

Don’t miss out — upgrade your station and enjoy the sound of December savings!

Eight antennas to two radios high isolation antenna switch.

Features:

  • Built in hardware interlock system. Same antenna can not be used on both radios at the same time.
  • 4kW power rated.
  • Wire controlled by a mechanical switch or Station Genius, SAC X or any other band decoder.
  • Mechanical antenna switch, Station Genius and SAC X are not included but can be purchased separately.
  • Control connectors on bottom of the case makes installing, replacing and repairing fast and easy.
  • LED control diodes for visual monitoring of device.
  • 4O3A style high isolation.
  • Easy to install anywhere in the shack.
  • Input conectors are SO 239 or N type conectors.
  • Compatible with all +12V source driver band decoders.
  • Factory preset on +12V signals.
  • Unselected antenna ports are grounded.
  • Without power all antenna ports are grounded.
  • Each device is individualy trimed and tuned for best performance.
Specifications
Connectors: N or SO-239 (PL, UHF)
Power Handling: 4000 W
Isolation between ports: 70 dB nominal
Unused ports: Grounded
Dimenzions: 30H x 17.5W x 7D (cm)
Weight: 1.5 kg
Control signal: +12 V
Control connectors: DB9 with LED indication
Interlock: Built in with relay system which prevents connection of antennas to more than one output

 

This product will be in store around the 15th December, 2025

12 Month Warranty