Name: GSM/3G/4G SMS Remote Relay Switches
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The GSM SMS Remote Switches inbuilt GSM/3G WCDMA/4G LTE Module, equipped 2/4/8 Solid Relay inside, special for remote switch ON/OFF onsite devices by SMS or internet or timers automatically. The GSM/3G/4G Remote Switches can be used as a remote switch, and timer switches, it suitable for lots of applications that need remotely switch ON/OFF devices, e.g.: Street Light control.
1.Inbuilt industrial GSM module, 3G WCDMA and 4G LTE Module are optional;
2.Widely Rated voltage range, default is 9~36VDC, optional: 110~220VAC@50Hz and 9~36V DC;
3.2/4/8 Relay outputs, 5A/30VDC,5A/250VAC;
4.Up to 10 timers to program the Relays switch ON/OFF automatically;
5.Supports Switch ON/OFF by SMS commands or GPRS commands;
6.Supports pulse outputs by SMS Commands, the pulse width is 0~999seconds;
7.Supports remotely restart the device, and configure it by SMS commands remotely;
8.Supports daily report status to users automatically;
9.Supports over voltage protection and phase-reversal protection;
10.10 SMS Alert user numbers, can program to receive daily report.