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T/R RF Sense - Switch - HF/VHF - SO-239

HRO Discount Price: $128.95*


*After Coupons & Promotions.

Current Stock Status At These Ham Radio Outlet Locations
MFJ-1708B Description     Hide

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 450 MHz * 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 50 ms to 4 seconds
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