MAR-12
Dual Monitor Switch - Volume Control Assembly A dual monitor switch - volume control assembly used in
a variety of Intercommunication Set Controls. Read more
(.pdf)
A301-1
Test Sets Andrea designs and manufactures special test equipment
for the items we produce. These test sets permit simple and
rapid testing and troubleshooting of the various control units,
amplifiers, and other modules. Read
more (.pdf)
A652
A649 Relay Assembly Relay assembly units used in conjunction with military
transceivers to provide secure communications. The A649 contains
4 relays while the A652 contains 3 relays and an electronic
switching circuit. The relays are special low capacitance types
which provide more than 100 dB of isolation between circuits Read
more (.pdf)
A645
Voice Operated Relay Module Designed to provide hands-free operation in an interphone
system without the objectionable background noise when no signals
are present. The fast attack time and loss less circuit insure
no deterioration of the desired signal. Read
more (.pdf)