Search - gsm switch
GSM Switch for remote control of appliances & gates. Features: Password protection, 5 master number sets, SMS control (ON/OFF/T), call control, button control, status check via SMS, and incremental control with time settings. Ideal for weak signal areas.
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The GSM signal in the water pump is too weak. The GSM signal nearby the roller shutter door is too b..
US$0.00
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