GSM/2G Door Gate Opener Remote On/Off Switch Free Call SMS

Overview:This GSM gate opener features remote on/off switch by authorized phone free calls which can be operated from anywhere no distance limit very convenient.Features:*850/900/1800/1900MHz quad bands can work in the worldwide GSM networks.*No call charges. The GSM Relay Switch answers the call from authorized number then carries out the turn ON/OFF action on the first 'ring'.*Secure - Using caller-ID for identification unknown callers are ignored.*Add or remove users by SMS Text command.*No need to provide a remote control or keys for different users.*Up to 200 authorized phone numbers can be configured at the specified time.*The relay action will return a SMS confirmation to the owner or authorized call in number this function is editable by user.*The relay close or open time is programmable.*Multiple applications. (Gates bollards barriers garage doors shutters and access doors or machines).Specifications:Model: RTU5024GSM Frequency: 850/900/1800/1900MHzDigital Output: NC/NO dry contact 3A/240VAC (2* input/output)DC Power Supply: 9-24V DC/2APower Consumption: 12V input Max. 50mA/Average 25mASIM Card: Standard SIM CardAntenna: 50? SMA Antenna interfaceTemperature Range: -20~+60CHumidity Range: Relative humidity 90%Item Size: Approx. 10.6 * 6.7 * 2.7cm (L*W*H)Item Weight: Approx. 146g / 5.1ozPackage Information:Package Size: Approx. 13.2*10.2*3.2cm / 5.2*4*1.3inPackage Weight: Approx. 190oz / 6.7gPackage List:1 * GSM Door Opener1 * Antenna1 * User Manual QR Code Scanning Card1 * Set of Universal SIM Card Slots