MFJ-1708B RF SENSING, TR SWITCH

MFJ RF Sense Transmit/Reveive Switch
Switches your antenna from receiver to transmitter using a relay. Shorts your receiver to ground during transmit. Use RF sensing with adjustable delay or PTT line. Has selectable open/short mute.
 

• RF Sensing for radios that do not have a keying output when transmitting


• Good isolation between transmit and receive ports.


• Good SWR characteristics up to 450MHz


• Receiver protection circuit to limit any transmit RF spikes


• Control Line input for radios that have a key line output


• A Mute output that can be set to ground to mute or open to mute.


• Power off bypass setting the transmitter to the antenna


• Adjustable receive delay 50ms to 4 seconds