ACN-02 Audio Details Technical Specifications PTT and Microphone cableIP54 compliant, split design PTT and microphone controller can be used with several different earphones.Find a dealerHighlightsFunctionsTechnical SpecificationsMicrophone sensitivity -42dB ± 3dB @1KHz, impedance ≤ 2.2KΩ @1KHz, PTT Cycles PTT cycles ≥100000, operating temperature -20°C to +60°C, IP54Related Products PD662i UL913 PD682i UL913 PD602i UL913 PD602i