... mic2, electret unidirectional CB mic 3, CB mic with 4 pin 5 pin 6 pin RJ 12 RJ 45 ... fall from 1 meter height to concrete floor for 5 times.Cable strain reliefNormally supporting 5Kgs force ... cycle test Exposure at -10°C-- 55°C for 1 hour, 2cycles, frequency response, sensitivity shall be ... testAfter exposure at 40°Cand 90-95% relative humidity for 48 hours, frequency response, sensitivity shall be within ...