Frequently Asked Questions

What are the shipping costs?
Worldwide shipping is included in the price.

How long will it take for my order to arrive?
If you are in the European Union (EU) 5 to 10 working days, anywhere else in the world 7 to 21 working days.

Will the GSM-AUTO work on a 3G or CDMA network?
No, it will only work on a GSM network.

Will the GSM-AUTO work anywhere in the world?
It will work anywhere in the world where there is a GSM cell phone network and it can receive a signal.

GSM World coverage map
USA AT&T and T-Mobile GSM coverage maps

Can the GSM-AUTO be used with any network provider?
Yes it is not locked to any network so it can be used with any GSM network provider.

Is a SIM card provided?
No you will need to provide a sim card.

What power supply do I need?
You need to provide a 12V DC power supply capable of supplying a minimum current 500mA a suitable US power supply can be found on the home page.

What is the maximum current that can be switched?
10 amps per relay @ 240 volts ac.

Do I need an antenna?
The unit is shipped with an integral antenna, if required there is an SMA connection to connect an external antenna.

Do I have to use a cell phone to activate the GSM-AUTO?
No it can be activated using a land line, to switch the unit on and off by text messages the land line would need to have this function enabled.

Can it be activated from another country?
It can be activated from anywhere in the world as long as you have access to a telephone.

Can anyone activate the GSM-AUTO by calling it?
Yes and no, the it can work in open access mode whereby it will respond to any call made to it, or secure access mode when it will only respond to authorized telephone numbers that have been entered into the white list.

How do I keep my pre-pay SIM card active, my network operator will disconnect if there is no outgoing call activity for 3 months?
Simply send the GSM-AUTO a SMS text message requesting the signal strength level, it will reply by sending you a text message, do this every 3 months or as required and your SIM card will remain active.

What are the call costs?
The GSM-AUTO uses the cell phone network and the same as a cell phone it has a SIM card, when you call it, it will reject the call without answering and switch on the device connected to it so there are no call costs incurred. When it is initially programmed it sends a confirmation text message and this will be charged at your network operators rate.

Can it be switched on and off by sending an SMS text message?
Yes, remote control by text message, the relays can be either temporarily or permanently switched on or off by sending it a text message command.

Does it retain its settings when power is removed?
It has a non-volatile memory and will store the settings in the event of a power interruption.

Where can I download the instruction manual?
The download link is below.

GSM-AUTO INSTRUCTIONS DOWNLOAD