Thatcham category 1 is an alarm and immobiliser in one complete system designed for vehicles without any form of insured approved security...

Thatcham category 2 is an immobiliser on its own and most UK spec vehicles now come with cat2 fitted as standard...

Thatcham category 2 to 1 is and alarm on its own that is designed to integtrate with an existing cat 2 immobiliser

Thatcham Q class covers a wide range of products including GPS tracking systems that have been approved by Thatcham...