CWT5005 3g gate door operator

GSM Gate Door Opener, Open Gate Door by SMS or phone call CWT5005 Supports 3G WCDMA Version, Skype Contact: Glare.Wang SMS Command List: Our CWT5005 Gate Opener Advantage: 1. No call charges. CWT5005 GSM Gate Opener rejects the call from authorized number then carrys out the turn ON/OFF action on the first 'ring'; 2. Once door open, CWT5005 will send SMS to notify users who and when open the door. 3. Add or remove users by SMS Text command; 4. Up to 1000 authorized phone