Based on GSM/3G/4G communication protocol, supports 1001 authorized users. Authorized users can remotely control the equipment, systems and machines connected to the product by SMS commands & free calling. It is widely used in access control systems, garage doors, swing doors ,folding doors,sliding doors, parking system and the equipments that can be connected to the relay control , the G203gate controller will send a notification (via SMS) to the user of the result of the remote control (such as the opening and closing status of the gate).
With real authorize and multi-level authorization, more security. no authorize no access, even if you know the password.