GSM-RELAY GSM wireless remote switch System ( SMS switch Control
)GSM remote control switchPower input: DCAC/9-12V 2AWorking
Frequency: 850/900/1800/1900MHzThe GSM-RELAY is a wireless gsm
remote control switch that connects to the GSM 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 6 independent relay
switches which can be switched on or off by sending the GSM-RELAY
an sms text message. GSM-RELAY app software on the mobile phone for
android and iphone systemSpecifications:Power inputAC/DC9-12VOutput
Channel7 channels 250V 10A 50 Hz relay contactsSmall standby
power< 10mA 12VInput channelno input alarmOperating
temperature-25 .. +60 °CBox typeWater proof ABS boxReal-time &
interactive control switch Relays operates almost every appliance
Relay memory after power failure Optional password to keep the
system at safety operating mode. Remote Password change Two
operating mode optional ( remote setting with GSM phones) One relay
is woking with the phone calling, and others working with the SMS
Commands can added to GSM-phone number for raeady made commands USB
program adapter:Applications: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
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