Hytera Hytera Handheld Microphone SM16A1. D Shape 2 wire with PTT & Mic for Hytera PD7 Series. IP67 Waterproof Remote Speaker Microphone for use with PD700 Series. Microphone Sensitivity –42±3 dB @ 1 kHz 3.0V 2.2K, 0dB=1V/Pa.
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