Specifications of Hytera SM13M1 
  Specifications 
  Dimensions 82.0*58.0*27.0mm 
  Weight about 140g 
  Color black 
  PTT Key available 
  Emergency Key none 
  Accessory Interface 3.5mm 
  Connector 2-pin 
  Microphone Sensitivity -52±3dB@1kHz 3.0V 2.2K;0dB=1V/Pa 
  Speaker Power 1 W (rated); 2 W (max.) 
  Speaker Impedance 16Ω±15%@1.5kHz 
  Speaker Frequency Response 91±3dB@1kHz at 1w/30cm 
  IP Rating IP55 
  Operating Temperature -30~60℃ 
  Storage Temperature -40~85℃ 
  
 
  Hytera Communications Corporation Limited (SZSE: 002583) is a leading global provider of professional communications technologies and solutions. With voice, video and data capabilities, we provide faster, safer, and more versatile connectivity for business and mission critical users. We enable our customers to achieve more in both daily operations and emergency response to make the world more efficient and safer.