Thatcham Accepted: All of our trackers are Thatcham Authorized, Meaning they have been issue to stringent basic safety testing by Thatcham, as a way to determine their protection and performance. A GPS module communicates continually with satellites to find out its specific locale, while GSM technologies achieves this by transmitting https://medium.com/@trackerfit11/caravan-trackers-and-why-they-matter-for-theft-protection-dd44f62fcad7