SR 81 Receiver The receiver shall have 15 selectable frequencies within a switching bandwidth of 3 MHz. Audio output level and Squelch threshold shall be adjustable on the front panel. The receiver shall be provided with an automatic squelch circuit (Tone Code Squelch) controlled by a pilot tone transmitted by the transmitter and a four-level battery capacity meter. The receiver shall have an audio bandwidth between 50 and 20,000 Hz and THD of max. 0.5 % (at 1 kHz). It shall have an A-weighted S/N Ratio of more than 100 dB. For easy rack mounting the receiver shall come in a 1/2 19" housing. Rack mount accessories and a blank panel shall be included.
