First of all you don't need additional hardware device with Internet or SMS connections which always generate more cost for you.
You can use any phone with GPS and the Internet, which can be purchased on the secondary market (eg. After-lease) These phones may have even broken screen, faulty button, etc. Connect this phone to a permanent power source ensures uninterrupted operation in a relatively cheap hardware.
Our software solutions provide you with free collection and processing of location data on-line.