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The AV-931 Diplexer can be used with airborne multi-band FM transceivers. The device is designed to provide two separate frequency band ports (typically going to a multi-band transceiver) from a single port multi band antenna.

The AV-927 diplexer can be used with airborne multiband FM transceivers. The device is designed to provide two separate frequency band ports (typically going to a multiband transceiver) from a single port multiband antenna.

The AVT-4 is a broad-band VHF communications antenna. It incorporates a low drag blade housing design for high strength and a radiating element encapsulated in rigid polyurethane foam. The housing is finished with a Skydrol resistant white polyurethane paint and comes with mounting hardware and neoprene mounting pad. The antenna is designed to operate at speeds up to 350 mph and altitudes of 50,000 ft. It has a drag force of 0.85 lb. @ 250 mph.

The AV-590 is an electronic switch allowing two COM radios to share the same COM antenna. In receive mode, it acts as a signal splitter allowing both COM radios reception across the entire COM band (118-137 MHz). In transmit mode, which ever COM radio (COM 1 or 2) is selected through the audio panel, a control signal is sent to the AV-590, switching the selected COM radio to the COM antenna and isolating the remaining COM radio from the COM antenna. Once no longer transmitting, the control signal is removed and the AV-590 electronic switch reverts back to the receive mode as described above.