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GSM Gate Opener, GSM Remote Control Relay Switch GPRS Relay Switch Automatic Remote Access Controller Garage Door Home Security System By Free Call

<ul><li>Adopt GSM / 2G net , without any distance limitation, it can be used anywhere</li><li>850/900/1800/1900MHz quad-band GSM frequency, can work in global GSM </li><li>Without call charges, the GSM GPRS relay switch rejects calls from authorized numbers and then performs an open / close operation on the first "ring"</li><li>Wide working voltage, support DC 9 - 24V power supply, and with anti-reverse protection design</li><li>Using SMS to set parameters remotely, easy to operate and easy to use</li><li>Support 200 groups of numbers, each group of numbers can be set to control the relay within a specified period of time</li><li>One relay output, the authorized number will be closed after the incoming call, and it will be automatically opened after the set time</li><li>Add or delete users with SMS text commands, simple operation, convenient for using</li><li>After the authorized phone controls the relay, it can send action text messages to the user</li><li>Between 0-999 seconds, the relay closing time can be controlled arbitrarily, wher</li></ul>

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<br/><b>Specification:</b><br/>Condition:  <br>Item Type:  GSM Gate Opener<br>Material: Metal<br>Color: As picture shown<br>SizeL x W x H: Approx. 90 x 70 x 27mm/3.5 x 2.8 x 1.1in<br>Working Voltage:  DC 12V/1.5A, Range: 9-24VDC<br>Working Power Consumption: Standby: 12V/16mA; Working Maximum: 12V/150mA<br>Gsm Frequency: 850/900/1800/1900MHz<br>SIM Card Interface: Support 3V SIM Card<br>External Antenna: SMA Antenna Interface: 50 Ohm<br>Relay Output: 1 Relay Output, Rated Output 3A / 220V AC, 7A / 125V AC, 20A / 14V DC<br>Operating Temperature Range: -10 - + 60  degrees Celsius <br>Operating Humidity Range: 95% Relative Humidity non-condensing<br>Applications:<br>Remote open/close swing/sliding gates, doors, shutters, garage doors,locks with a free call!<br>Residential: Door,gate,garage access control, electronic fan,microwave,air-conditioner control.<br>Industry: Remote switch equipment, for example: street lights, solar power, motor, inverter, PLC, pumps, fans, etc.<br>Agriculture: Remote control pumps, etc.<br>Business: Remote control electronic boxes, bright billboards, LED signs, etc. <br/><br/><b>Package List:</b><br/><div>1 x Host Controller</div><div>1 x GSM Antenna</div><div>1 x Instruction</div> <br/>

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