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WH-120 GSM Gate Opener Controller Supplier in Dubai UAEWH-120 3G Gsm Gate Opener:Electric Remote GSM Door Opener Easy Set up by SMS gate opener WH-120.LIFE 3G GSM Features:GSM network communication, no distance limitation,can be used anywhere.Works with a Nano SIM card,users could dial the SIM card number to open the door.No phone charges,no distance limits, no key fobs.More convenient and friendly than any other solutions.WH-120 PRO Specifications:User : 200 Numbers.GSM: quad-band 850 / 900 / 1800 / 1900MHzDC power: DC 9V – 36V/1APower consumption: max 50mA / average 25mASIM card: nano type, 3VAntenna: 50Ω SMARelay specification: 3A/250V AC, 20A/14V DCRelay type: NO/NCRelay time: max 0 – 900sWired switch: supports Operating temp: – 10 – 60 Deg. C Relative humidity: 10 – 90% (RH)Dimension：80×49×30mmNet Weight：90g