SM26N1 Audio Details Technical Specifications Remote Speaker Microphone (with emergency button)Compact, rugged and IP67 compliant with emergency alarm capability remote speaker microphone ensures excellent performance in challenging environments.Find a dealerHighlightsFunctionsTechnical SpecificationsMicrophone sensitivity -42dB ±2dB @1KHz, PTT cycles ≥100000, speaker sensitivity 97dB ±3dB @300Hz to 3KHz average, impedance 20Ω ±15% @1.5KHz, rated power 2W, maximum power 3WRelated Products pdc680 HP782 Two-Way Radio HP702 Two-Way Radio HP682 Two-Way Radio