SM10R2 Audio Details Technical Specifications Desktop MicrophoneDesktop Microphone with large PTT and monitor key with lock capability, providing high quality and secure communication solution.Microphone sensitivity -32dB ±5dB @1KHz, impedance ≤ 2.2KΩ, operating temperature -30°C to +70°CFind a dealerHighlightsFunctionsAccessories for SM10R2 Included as standard with SM10R2Systems that work with SM10R2Technical SpecificationsMicrophone sensitivity -32dB ±5dB @1KHz, impedance ≤ 2.2KΩ, operating temperature -30°C to +70°CRelated Products TM-610