R40

Advantages

• 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.