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1. Quad-band, 3G WCDMA, 3G CDMA, can work in the worldwide GSM and 3G Networks;
2. No call charges. the GPRS-3G Gate Opener rejects the call from authorized number then carries out the turn ON/OFF action on the first 'ring';
3. Multiple applications. (gates, bollards, barriers, garage doors, shutters and access doors or machines);
4. Add or remove users by SMS Text command or over GPRS Network or USB Port;
5. No need to provide a remote control or keys for different users;
6. Up to 999 authorized phone numbers can be configured at the specified time;
7. Remotely upload the historical data or via USB port, the record capacity is 10000events;
8. 1 Digital inputs for motion sensors or other sensors to protect your door and windows;
9. 1 input special for monitoring door status and automatically armed when door closed;
10. 1 output with relay rating 3A/240VAC for connecting the switch of the door or machines;
My skype:GsmrTuSystem
GSM 3G Automatic Garage Gate Opener Access Control (2DIN 1DOUT)