Transmitter and receiver boards from a military personal field equipment. these were all new packaged items which were de-commissioned due to arrival of newer version.
The receiver is crystal-controlled and received on
78.9875MHz using Bell 202 tones at 1200 BPS. It is a double conversion superhet
with 1st IF of 21.4MHz and 2nd of 455kHz. The Bell 202 tones modem is built-in.
The transmitter transmits on 142.000MHz, will Bell 202
tones at 1200 BPS with a built-in modem.
