I bought one of these http://www.ebay.co.uk/itm/Real-Time-Portable-Personal-GPS-Tracker-GSM-GPRS-Car-Pet-Tracking-Device-Spy-Bug-/270992943595?pt=UK_In_Car_Technology&hash=item3f187029eb for £29.99 (UK), added a £10 pay as you go sim card, velcroed it to the underneath of the Phantom and it's...