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GSM control

GSM control for lockdown systems

GSM control to activate a lockdown alert from your phone in schools and colleges.


Range overviewDocuments


GSM control to activate a lockdown alert

Linked to the Sigma master clock, the GSM control triggers a lockdown alert quickly via a telephone call. The alert is then broadcast from our Harmonys or Melodys audio systems.

When the lockdown alert is triggered, a warning SMS is sent to all registered phone numbers. You can save up to 6 numbers.

Technical features

  • Power: 12 VDC (from the mother clock power output) or 24 VDC
  • Protection index: IP66
  • Dimensions HxLxD: 88x64x43mm
  • Consumption: 230 mA
  • Weight: 0.165kg

Operating modes

  • One input to connect to one relay output on the Sigma master clock.
  • One output to connect to the external input or a 3-input add-on board in the master clock.

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