China 4G car GPS tracker with external battery for trailer tracking (TK418) on Global Sources,4G car GPS trackers,4G truck GPS tracking,4G vehicle GPS tracking
Amazon.com: Oyster2 4G/5G Cat-M1 GPS Tracker for Assets - Up to 5 Year Battery Life - Small, Waterproof GPS for Asset Tracking - Car Tracker Device - GPS Vehicle/Trailer/Asset Tracker (Subscription Required):
GPS Tracking for Trailers and More | GT 1100 by ORBCOMM