(1) Devices containing a GPS module allow the key holder (you) to accurately track the asset you have installed the device to. In some units this is achieved by receiving the latitude and longitude coordinates via a text message. These coordinates can then be entered into mapping software if supplied with the unit or entered into a web-based application for example www.streetmap.co.uk

(2) Units without GPS can still have their approximate position determined by their cell location. This is not as accurate GPS and the location tends to be accurate in the order of miles rather than meters. Some units will do the query themselves as mentioned above though this is often done using a third party company for example www.mstlocate.com or www.traceamobile.com and there is normally a charge for this type of service.
N.B. Cost for query is network dependant and is charged to your SIM account. Approximate cost £0.50.

(3) Units containing sensors or supplied with sensors can be used as a stand-alone unit and require little wiring. This makes them ideal for your motor home, office, garage, barn, or outbuilding etc.

(4) Units with GSM do no require a phone line or mains power. This makes them suitable for Motorcycles, Bikes, Cars, Houses, Boats, Yachts, even caravans and garage lockups. A GSM Phone Alarm generally works by messaging you on your phone to notify you that a sensor is being triggered.

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