MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Not field programmable; 1950-1850 hz function tones; 2050 hz monitor and 2175 hz guard and hold tones; description board only single frequency, ptt and monitor with enclosure; connections modular to phone line, remote; screw terminal connector, radio; 600 ohm line impedence; input voltage plus 12 to plus 13.8 vdc at 150 ma, 18ma idle; line output to phone line plus 10 db max, preset to 0 dbm; line output from phone line minus 40 dbm to plus 10 dbm, function tone referenced; rx input from radio 70 mvrms or greater; notch filter 2175 hz down 50 db from 1000 hz reference; control tones guard tone equals 2175 hz for 40 ms; function tones f1 1950 hz for 40 ms; f2 1850 hz for 40 ms; monitor 2050 hz for 40 ms; holdtone 2175 hz for duration of ptt