Applications are endless and include the remote control of heating and air conditioning in holiday homes, lighting, engine pre-heaters, aviation engine heaters, irrigation systems, water well pumps, pumping stations, cabin heaters, power cycle and reboot of remote servers, routers and computers.
Quad band GSM-850, GSM-900, GSM-1800, GSM-1900 MHz so will work anywhere in the world where there is a GSM cell phone network.
Two 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-AUTO will respond to any incoming call, and secure access where it will only respond to programmed authorized telephone numbers.
Up to 500 authorized 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-AUTO. Authorized numbers can be added and deleted as required by sending the unit sms text commands.
The relays can be permanently switched on or off by sending the GSM-AUTO a text message command, a confirmation text can be returned if required.
The relays can be temporarily switched on for a period of time between 1 second and 18 hours by sending the GSM-AUTO a text message command, a confirmation text can be returned when the relays turn on and off if required.
Two relay's with normally open (N.O) and normally closed (N.C) contacts, maximum switching capacity is 10 amps @ 230V ac per relay.
You will need a SIM card, the GSM-AUTO is not locked to any cell phone network so it can be used with any GSM network provider.
You will also need a 12 volt DC power supply with a current rating of 500mA (0.5 Amp) - supplied free to orders shipped to the USA.
For further information you can download the GSM-AUTO instructions below (PDF format)
GSM-AUTO INSTRUCTIONS DOWNLOAD