Metatrak Active Tag ImmobiliserMetatrak Tag immobiliser requires presence of Active Tag (Id tag) for the vehicle to start. It is an effective protection against signal jamming. This is an alternative if you do not want an immboliser (ghost phantom) where you have to enter a pin sequence every time you enter the vehicle. Without this tag being within range of the vehicle the vehicle will be completely immobilised. The alarm can also be configured so it has to see this tag has to be