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Technical Data

Technical Data
type IS-RSM1.1
size 87 x 56 x 25 mm
weight 126 g
battery 950 mAh
operation range from -20 °C … +60 °C
PTT Push-to-Talk
amplified speaker
charging with micro USB
red SOS button
volume control
channel selection


Included remote speaker microphone, PROTECTOR 1.0,
quick start manual and safety instructions
hand strap

hand strap

The wireless remote speaker mic allows professional use of push-to-talk via Bluetooth. In addition, the IS-RSM1.1 can also be used as a speakerphone. The IS-RSM1.1 is sensible complemented with a SOS button.


  • amplified speaker
  • charging with micro USB
  • push-to-talk
  • red SOS button
  • intercom, volume control and channel selection


  • ATEX zone 1/22
    II 2G Ex ib IIC T4 Gb
    II 3D Ex ic IIIB T135°C Dc IP54
  • IECEx zone 1/22
    Ex ib IIC T4 Gb
    Ex ic IIIB T135°C Dc IP54 MOBILE, ATEX certification MOBILE, IECEx certification
IS-RSM1.1 – remote speaker mic
Ex zertifiziert