gsm remote control

garage door opener GSMremotecontrol The GSM-RKEYremoteController suitable for below applications:1,Automated gate remote control Open automatic gates using a cell phone, control user access by programming authorized users telephone numbers into the GSM-RKEY, open the gates from anywhere in the world to allow access for deliveries2,Remote control lighting Retro fit to existing street or security lighting enabling remote control without having to install expensive cabling3,Remote control switching of vehicle engine pre-heaters 4,Control of aviation engine pre-heater 5,Remote Control for Airplane Preheater 6,Aircraft pre-heater remote control control system7,Remote control switching of irrigation systems, water well pumps and pumping stations 8,Central heating remote control 9,Resetting of remote servers and routers, control and communications systems Reset remote servers, routers and control systems without having to travel to the site10,Air conditioner Switch on your air conditioner before arriving home11,Security systems Arm and disarm security systems from anywhere in the worldMainly Features of the GSM-RKEY:GSM-RKEY, it connects to the cell phone network and like a cell phone has its own cell phone number. The GSM-RKEY is activated by calling its cell phone number, it will recognise an authorised telephone number calling it, reject the call without answering and switch on or off the device connected to it, because it rejects the call without answering there are no call costs incurred.It has 2 independent relay switches with normally open and normally closed switch contacts, these can be programmed to switch on for a pre-determined length of time whenever the GSM-RKEY is called.The relay switches can also be temporarily or permanently switched on or off by sending the GSM-RKEY a sms text message command. It can report the relay status by sending back a text message.· Quad band GSM-850, GSM-900, GSM-1800, GSM-1900 MHz so will work anywhere in the world that has a GSM phone networkTwo independent relays that can be programmed to switch on for a period of time between 1 second and 18 hours when the unit is called. Two access modes are available, open access where the GSM-RKEY will respond to any incoming call, and secure access where it will only respond to programmed authorised numbersUp to 1000 authorised user telephone numbers can be added to the white list, when the secure access mode is activated only the numbers in the white list are able to activate the GSM-RKEY. Authorised numbers can be added and deleted as required by sending the unit sms text commandsThe relays can be permanently switched on or off by sending the GSM-RKEY a text message command, a confirmation text can be returned if requiredThe relays can be temporarily switched on for a period of time between 1 second and 18 hours by sending the GSM-RKEY a text message command, a confirmation text can be returned when the relays turn on and off if requiredTwo relay contacts: with normally open (N.O) and normally closed (N.C) contacts, maximum switching capacity is 10 amps @ 230V ac per relay In addition you will need a SIM card, the GSM-RKEY is not locked to any 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 current rating of 500mA