GSM Remote Control Relay Switch Automatic GSM Remote Settable with Content Message Mini Gate Opener Access Controller for Gate Garage Door Shutter

Features: Practical The GSM relay switch can be used where you need to turn on/off your system. Up to 200 authorized phone numbers can be configured at a specified time. Easy to use This GSM door opener can remotely open/close the switch through a free authorized phone which can be operated anytime and anywhere without distance limitation and easy to use. Four frequency bands The access controller has four frequency bands of 850/900/1800/1900MHz which can work in the global GSM network. Safe The access controller answers the call of the authorized number and performs the on/off action no call fee is required secure caller ID recognition unknown calls are ignored. Widely use Wide range of uses suitable for gates bolts obstacles garage doors shutters and maintenance doors or machines etc. Specifications: Material: ABS Item color: white Model: RTU5024 GSM frequency: 850/900/1800/1900 MHz Digital output: NC / dry contact 3A / 240VAC Power supply: AC/DC 12-24V SIM card: standard SIM card Antenna: 50ohm SMA antenna interface Temperature range: -20 to 60 degrees Celsius Humidity range: 90 percent relative humidity Size: 15*11.5*4.5cm/5.9*4.52*1.77inch (L*W*H) Weight: 222g/7.83oz