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 SpecificationsSpecificationsDimensionsWeightColorPTT keyEmergency keyRadio connectorMicrophone sensitivityRelated Products PD688 PD668 PD608 X1p