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GSM 3G Automatic Garage Gate Opener Access Control (2DIN 1DOUT)
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 application...
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2017-11-10 |
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Wireless Digital Input GSM Temperature alarm
1. Can be operated from anywhere, no distance limitation;
2. No call charges for inquiry. the GSM Environment Alarm rejects the call from authorized number then return onsite temperature, humidity, and power voltage on the first 'ring';
3. ...
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2017-10-20 |
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