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:
Off white color; audio output to speaker 2 watts min, in compression, into 8 ohms with less than 3 pct distortion using supplied power pack; compression less than 3 db increase in output with 30 db increase beyond threshold of compression; line input adjustable minus 20 dbm min; frequency response porm 3 dbm from 300 to 3000 hz except at notch frequency; 1000 hz reference; signal to noise 50 db; line impedence600 ohms/5000 ohms; line output adjustable plus 15 dbm max; factory set at 0 dbm; control tones security tone 2175 hz porm 0.01 pct at plus 10 dbm for 140 ms; function tones 1950-450 hz porm 0.01 pct at 0 dbm for 40 ms; monitor 2050 hz porm 0.01 pct at 0 dbm for 40 ms; transmit hold tone 2175 hz porm 0.01 pct minus 20 dbm for duration of ptt; connections 4 pin modular for handset; rj11 for desk microphone and phone pair; 4 wire simplex operation-separate tx and rx pairs