Welcome to the store! Function: Add or remove users via SMS text commands. The relay's closing or opening time is programmable. Can be used anywhere, no distance limitations. Quad-band, can be used in the global GSM network. No need for remote controls or buttons for different users. Secure - use caller ID for identification, unknown callers are ignored. Up to 200 authorized phone numbers can be configured at a given time. An output with a relay rating of 3A/240VAC for connecting a door or machine switch. Multiple applications. (doors, bollards, barriers, garage doors, shutters and access doors or machines). Relay action returns an SMS confirmation to the owner or authorized phone, this function can be turned off by the user. No call charges. The GSM GPRS trunk switch rejects calls from authorized numbers and then performs an opening/closing action on the first "ring". GSM Frequency: Quad-band 850/900/1800/1900MHz Network: 4G Output: NC/NO dry contact, 3A/250VAC DC Power Supply: 9-24VDC/2A Power Consumption: 12V input maximum 50mA / average 25mA SIM Card: Support 3V SIM card Antenna: 50SMA antenna interface Temperature Range: -20-60 Humidity Range: 90% RH Size: Total length about 125mm Description The GSM door opener is a powerful GSM relay that can be used for authorized access control, controlled doors, switching remote devices, and parking systems. In addition, it can be used where a system, a machine or a device needs to be turned on/off remotely with a free call from your mobile phone. type: G202 GSM Gate Opener color:Black Material:ABS Package Contents: 1 x G202 GSM Door Opener Only the above package content, other products are not included. Note: Light reflection and different screens may cause the color of the item in the picture to differ slightly from the real one. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!