... pin 6pin RJ connector compatible with various car radio Detailed specifications : 1, EM-403 dynamic CB mic2, electret unidirectional ... Temperature cycle test Exposure at -10°C-- 55°C for 1 hour, 2cycles, frequency response, sensitivity shall be within specifications.(The ... for 48 hours, frequency response, sensitivity shall be within specifications(The measurement shall be done after 2 hours of ...