Technical characteristics follow: stand alone or interoperable operation, 16 kilobit/sec data rate, tdma half-duplex interoperable link, contention mode link; function is to format and control data transmissions of airborne communications terminal, perform receiver audio baseband encoding and correlation; special features include air cooled via internal fans, elapsed time indicator, plug-in front panel for communication modem; operating power is porm 15v DC , 5v DC , 115v AC , 400hz, 3phase; 22.67 in. Lg; 10.22 in. W; 7.80 in. H; 27lbs; full art rack mounted