VHF 2M AUTO RX/TX & OVERDRIVE PROTECTION BOARD
 
Auto rf sense key start, works with any transceiver to switch your amplifier between transmit and receive. Also provides PTT connection if you want to control from tranceiver PTT instead of rf sense auto start.
 
Overdrive protection on board. You can set drive power limit to protect your amplifier from overdrive. When overdrive protection enables the red led indicator on board and the rf signal bypass amplifier.
 
Freq: 143-148MHz 
Max power through unit 1000w pep
Power supply 12-14V
 
board size: 100x50mm