... manufacturer Innovative, patented voice technology Background noise-free Throat mic for two way radio HLD-05 Innovative, patented ... .Sensitive PTT button,Available for Motorola, Kenwood, Maxon, Icom, Standard and other brand radioDisclaimer: All trademarks shown here ... not authorized to sell items bearing such trademarks. Mic Dimensions:Φ15mm Sensitivity:-54dB+2dB Directivity:omni-Directional Frequency ...