GSM Gate Opener Relay Switch Phone Wireless Remote Control Door Access 850/900/1800/1900MHz

The GSM Gate Opener RTU5024 is a powerful GSM relay that can be used for authorized door access, controlling gates, switching of remote equipment, and car parking systems. Additionally, it can also be used in places which require you to turn on/off your system, machines, or equipment remotely with a free call from your mobile phone.Specifications:GSM Frequency: Quad-band 850/900/1800/1900MHzGigital Output: NC/NO dry contact, 3A/240VACDC Power Supply: 9-24VDC/2APower Consumption: 12V Input Max.50mA/Average 25mASIM Card: Support 3V SIM CardAntenna: 50 SMA Antenna InterfaceTemperature Range: -20℃to+60℃Humidity Range: Ralative Humidity 90%Exterior Dimension: W82mm*D76mm*H27mmFeatures:- Add or remove users by SMS Text command.- The relay close or open time is programmable.- Can be operated from anywhere, no distance limit.- Quad-band, can work in the worldwide GSM Networks.- No need to provide a remote control or keys for different users.- Secure: Using caller-ID for identification, unknown callers are ignored.- Up to 200 authorized phone numbers can be configured at the specified time.- One output with relay rating 3A/240VAC for connecting the switch of the door or machines.-Multiple applications. (gates, bollards, barriers, garage doors, shutters and access doors or machines).- The relay action will return a SMS confirmation to the owner or authorized call in number, this function is editable by user.- No call charges. the GSM GPRS Relay Switch rejects the call from authorized n