Product Information
- > Quad-band, can work in the worldwide GSM Networks;
- > No call charges. the GSM GPRS Relay Switch rejects the call from authorized number then carries out the turn ON/OFF action on the first 'ring';
- > Multiple applications. (gates, bollards, barriers, garage doors, shutters and access doors or machines);
- > Secure - Using caller-ID for identification, unknown callers are ignored;
- > Can be operated from anywhere, no distance limit;
