gsm door controller

Remote Terminal Unit, GSM Remote Control Unit, GSM RTU CWT5005 Support 3g version (Skype: glare.wang) Features Configurable for alarm and recover sms Automatically report the status of itself on schedule Support remote setting via sms commands Preset 10 phone numbers(can be distributed authority) Remote add/edit/delete phone group Automatically update internal clock via sms Time stamped in alarm or recover messages Support ring call when alarm Temperature sensor