The output on a relay is switched by a call from a mobile phone.
Can open or close a gate or know its status from any distance, with no limit, can be used anywhere in the world.(tri-band GSM/GPRS).
Open or secure operating modes:- Guarantees that the device can be used in any context, either when access has to be strictly controlled (with the checking of the incoming call number and the opening of the gate only if it is one of the 99 authorised numbers), or when the main requirement is to accommodate a very high number of users (opening the gate for any received call).
No call costs:-No call costs are incurred by the system. When the device is dialled, it recognises the number and hangs up without charging the caller.
Message management:- The device can send SMS text messages to a maximum of 8 numbers, reporting on the gate status (closed or open), or on reaching the number of cycles set during installation (which, for example, can be useful in scheduled maintenance).
Power supply 12/24V ac/dc:- The device can be powered directly from the accessories power supply output on gate control units.