SC20 Series Accessories

SC20 IP67 Ultra CSM

With environmental sealing and a tough, polycarbonate shell, this rugged controller speaker microphone provides outstanding all-weather performance and superlative audio, no matter how harsh the conditions. Its ergonomic design makes it easy to operate, even with gloved hands or in poor light.

The IP67 Ultra RSM has all the features of the IP67 Ultra CSM, except talkgroup rotary control.

  • IP67 environmental sealing provides protection against the harshest climatic conditions
  • Protected front and side PTT buttons provide easy access whilst avoiding accidental operation
  • Emergency button, protected against accidental use
  • Rotary control gives access to up to 15 talk groups, both DMO and TMO
  • Programmable soft keys, fully configurable in Radio Manager, allow both short- and long-press operation 
  • Speaker control permits instant volume adjustment and speaker activation when a headset is connected 
  • Nexus connector supports connection of both half- and full-duplex headsets
  • 3.5mm connector supports connection of earpieces
  • Emergency LED allows rapid location of users in distress
  • Tough, UL-94 V0 flame-retardant casing


Dimensions (body only, WxLxD) 74x129x36mm 
Weight 252g
Cable length (nominal) 550mm
Cable length (extended)  >1550mm
Cable pull strength 50N min. applied axially 
Bend strength 50,000 bend cycles
Material polycarbonate
Flammability rating UL-94 V0 (body, cable & strain relief) 


IP67 Ultra CSM  300-01123
IP67 Ultra CSM Peltor interface 300-01152
IP67 Ultra RSM 300-01124
IP67 Ultra RSM Peltor interface 300-01153
PTT protective bezel (black), pack of 10 300-01150
PTT protective bezel (blue), pack of 10 700-00637
PTT protective bezel (red), pack of 10 700-00638
PTT protective bezel (yellow), pack of 10 700-00639
Ultra CSM/RSM PTT extender (grey) 300-01918
Ultra CSM/RSM PTT extender (yellow) 300-01919
Heavy-duty rear clip 300-01151
Compact rear clip 300-01363


Which RSM is right for you?