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GSM – CallFree2

 

 

The GSM –CallFree2 is a GSM remote control switch that is activated by calling its mobile phone number. No call costs are incurred as it rejects the call without answering and switches on the device connected to it. CallFree2 can also be connected to PIR’s, burglar alarms, water level or leakage sensors, Carbon Monoxide detectors, etc. and will send a text when an alarm condition is triggered.

GSM – CallFree2PDF