12v wireless gsm remote control switch

~ door opener gsm remote control switch
~ Quad band GSM-850, GSM-900, GSM-1800, GSM-1900 MHz~ ~ 2outputs

  The GSM-RKEY remote  Controller suitablefor below applications: 1,Automated gate remote control
Open automatic gates using a cell phone, control user access byprogramming authorized users telephone numbers into the GSM-RKEY,open the gates from anywhere in the world to allow access fordeliveries2,Remote control lighting
Retro fit to existing street or security lighting enabling remotecontrol without having to install expensive cabling3,Remote controlswitching of vehicle engine pre-heaters
4,Control of aviation engine pre-heater
5,Remote Control for Airplane Preheater
6,Aircraft pre-heater remote control controlsystem                               7,Remotecontrol switching of irrigation systems, water well pumps andpumping stations
8,Central heating remote control
9,Resetting of remote servers and routers, control andcommunications systems
Reset remote servers, routers and control systems without having totravel to the site    10,Air conditioner
Switch on your air conditioner before arrivinghome                                       11,Securitysystems
Arm and disarm security systems from anywhere in theworld  Mainly Features of the GSM-RKEY:GSM-RKEY, itconnects to the cell phone network and like a cell phone has itsown cell phone number. The GSM-RKEY is activated by calling itscell phone number, it will recognise an authorised telephone numbercalling it, reject the call without answering and switch on or offthe device connected to it, because it rejects the call withoutanswering there are no call costs incurred.It has 2 independentrelay switches with normally open and normally closed switchcontacts, these can be programmed to switch on for a pre-determinedlength of time whenever the GSM-RKEY is called.The relay switchescan also be temporarily or permanently switched on or off bysending the GSM-RKEY a sms text message command. It can report therelay status by sending back a text message. ·  Quad bandGSM-850, GSM-900, GSM-1800, GSM-1900 MHz so will work anywhere inthe world that has a GSM phone networkTwo independent relays thatcan be programmed to switch on for a period of time between 1second and 18 hours when the unit is called. Two access modes areavailable, open access where the GSM-RKEY will respond to anyincoming call, and secure access where it will only respond toprogrammed authorised numbersUp to 1000 authorised user telephonenumbers can be added to the white list, when the secure access modeis activated only the numbers in the white list are able toactivate the GSM-RKEY. Authorised numbers can be added and deletedas required by sending the unit sms text commandsThe relays can bepermanently switched on or off by sending the GSM-RKEY a textmessage command, a confirmation text can be returned if requiredTherelays can be temporarily switched on for a period of time between1 second and 18 hours by sending the GSM-RKEY a text messagecommand, a confirmation text can be returned when the relays turnon and off if requiredTwo relay contacts: with normally open (N.O)and normally closed (N.C) contacts, maximum switching capacity is10 amps @ 230V ac per relay

In addition you will need a SIM card, the GSM-RKEY is not locked toany network so it can be used with any GSM network provider
You will also need a 12 or 24 volt DC power supply with a currentrating of 500mA
12v wireless gsm remote control switch