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4O3A

8AB Antenna Switch

$1,250.00
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Expected release date is 15th Dec 2025

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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!

Due to the popularity of our A/B switches we decided to make a super-switch containing 8 A/B switches in a single box.

With two Antenna Genius Switches it can form high a isolation 8×4 antenna matrix for 8 antennas to 4 radios. Clean, flexible, easy to maintain.

Isolation on unused port at 30MHz: 56db to 70 dB (On/Off status)

Input Power: 3500W

Connectors: PL or N type

Power voltage: + 12V DC

Power consumption: 120mA

Power Indication: LED

The 8×4 Superswitch

The main motivation behind the 8xAB switch is integration of two Antenna Genius smart switches into an 8×4 Super Switch. See the diagram below.

Additional notes

  • The AG that’s connected to the OM module has the priority when selecting antennas.
  • All unselected antennas are routed to R3 and R4 automatically.
  • When R1 or R2 select a port, the output module will route the antenna trough the AB switch.
  • There is no special protection in place meaning R1 and R2 can select any antenna at any time.

4 Radio Superswitch

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

12 Month Warranty