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