IFR FM/AM-1200S Communications Service Monitor, High-Low Pass Filter Assy

IFR FM/AM-1200S Communications Service Monitor, Small stacked scope knob pair

IFR FM/AM-1200S Communications Service Monitor, RF output variable control

IFR FM/AM-1200S Communications Service Monitor, Interface PC Board

IFR FM/AM-1200S Communications Service Monitor, Receive Audio PC Board

IFR FM/AM-1200S Communications Service Monitor, Generator Audio PC Board

IFR FM/AM-1200S Communications Service Monitor, Low Pass Filter Assy

IFR FM/AM-1200S Communications Service Monitor, Duplex Assy