Details Water-resistant IP54 rated Ergonomic shape, handy size Tough and strong housing to hold the microphone firmly Swivel tab assembly Available for Land Mobile / CB radios Item Code PT-8-X4 PT-8-X7 Technical Specifications Impedance: 600O Mic Frequency Response: 50-16kHz Mic Type: Dynamic Polar Pattern: Omni-directional Output Level: -43dB at 1kHz (Sensitivity) Dimensions Cable Length: 9.8ft (3m) 2.6 x 3.83 x 1.57in (WxHxD) (66.2 x 95.7 x 40mm) Weight 7.4oz (210g) Environmental Temperature: -4° to 122°F (-20° to 50°C)