A Thatcham product refers to a security product or service which has been analyzed and certified by Thatcham Analysis. This could consist of alarms, immobilisers, or trackers created to avoid theft. Certification suggests the device satisfies stringent expectations and is also reliable by insurers. S5 trackers (Formerly called class 5) https://thebookmarkfree.com/story20579156/5-easy-facts-about-thatcham-approved-described