The 3G Gate Opener RTU5025 is an upgraded version of RTU5015, it is a very simple device which can be used for authorized door access, controlling gates, switching of remote equipments, car parking systems. Actually the 3G Gate Opener RTU5025 can be used in places which require to turn ON/OFF your system, machines, equipments remotely with a FREE call from your mobile phone. Just dial from Authorized User number at the specified time then the Barrier and doors are opened, or the machine are turn on or off by the 3G Gate Opener. There are no call costs, the 3G Gate Opener rejects the call from authorized number then carries out the turn ON/OFF action. Moreover, the user can be authorized at the specified time to operate it, after timeout, will automatically change to unauthorized type. The user also can download the operation historical data via USB port or via 3G network remotely. The RTU5025 supports 3G communication function, very suitable for remotely monitoring outdoor cabinets and stations of telecom company, traffic origination, power supply company and so on. It can be authorized different repair person or maintains person to open the cabinets or stations at the specified time, saving time to get the keys for the locks and saving cost to repair or replace the locks while the person lost the key. And also can remote monitoring the door is opened or closed, or illegal opened.