– The relay close or open time is programmable.
– Can be operated from anywhere, no distance limit.
– Quad-band, can work in the worldwide GSM Networks.
– Secure: Using caller-ID for identification, unknown callers are ignored.
-Multiple applications. (gates, bollards, barriers, garage doors, shutters and access doors or machines).
– 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'.