TX 439.400 MHz 

RX 430.400 MHz

GB3CB TX

433.350 MHz

GB7BM TX

439.400MHz

GB3CB RX

434.950 MHz

GB7BM RX

430.400 MHz

ISOLATOR

ISOLATOR

433.350MHz BAND PASS FILTER

439.400 MHz BAND PASS FILTER

430.400 MHz BAND PASS FILTER

434.950 MHz BAND PASS FILTER

RX ANT

TX ANT

Antenna system for the two UHF repeaters.

 

Now installed and it all works. The TX insertion loss is a little high @ 3dB

 

Both transmitters can run full power with no sign of ANY desence on either of the receivers.

433.350

430.4000                            434.950

0dB

0dB

60 to –70 dB

439.400