Shanghai Wafer Microelectronics Co., Ltd.  

Product Name: Seven Channel Relay Output Remote Switch Controller Model NO.: GSM-RELAY-4G Battery Type: AAA Battery Material: Plastic Voltage: 12V Transmission Distance: >100m Universal: Universal Certification: CE Type: GSM Signal Transmission: RF Remote Control Application: Automatic Doors Power Supply: DC12V Working Band: GSM / 3G / 4G Output: Double Relay Output Output Rating: 30A/220V Box Type: Water Proof Box Trademark: WAFER Transport Package: Paper Carton Specification: CE Origin: Shanghai Product Description GSM-RELAY-4G GSM / 3G / 4G relay remote switchSeven channel big power output switchWorking band for USA:UMTS: B2/B4/B5GSM: 850/1900MHzFDD LTE: B2/B4/B5/B12/B17We do other customized function for our customersWe can customize the 3G,4G and GSM controllerThe GSM-RELAY-4G is a wireless 3G / 4G / GSM remote control switch that connects to the cell phone network.It has seven independent relay switches, and the NO. 1 Relay switch is activated by calling its cell phone number, it will reject the call without answering and switch on the device connected to it, then there are no call costs incurred when dialling the unit, it will recognise an authorised telephone number calling it and reject the call without answering.It has other six relay independent relay switches which can be switched on or off by sending the GSM-RELAY an SMS text message.Specifications:Working voltage9~12V AC /DCOutputSeven channels 250V 10A 50 Hz relay contactsOperating temperature-25...+60 ° CSmall standby power< 10mA 12VRating power30A/240VBox typeWater proof boxReal-time & interactive controlWorks with GSM phonesRelays operates almost every applianceRelay memory after power failureOptional password to keep the system at safety operating mode.Remote Password changeTwo operating mode optional ( remote setting with GSM phones)One relay is woking with the phone calling, and other six relay working with the SMSCommands can added to GSM-phone number for ready made commandsSupport free control mode or Security Authorized number control modeQuick & easy number programming with SMS or On Board Fast Teaching Button.Can disable the SMS reply back to save the costSupport Customized command for easy understandSupport the optional Wifi-plug for remote parameters programSupport device operation history LOG checkApplications:Applications include the remote control of heating in holiday homes, lighting, engine pre-heaters, aviation engine heaters, irrigation systems, water well pumps, pumping stations, cabin heaters, resetting of remote servers, arming and disarming security systems, access control of gates and garage doors.