Special Features
Input and output impedance 600 ohms at 1 khz balanced, freq response transmit from 70 hz to 4 khz, receive from 200 hz to 4 khz, audio level transmit is minus 20 dbm average and 0 dbm peak, receive is 0 dbm average and plus 10 dbm max, distortion transmit is 3 pct max, receive is 5 pct max, signal to noise ratio shall be a min of 40 db referenced to 0 dbm for both transmit and receive, switching is accomplished by pushbutton switches c/o 4 rows horizontally and 3 columns vertically
