The Trackall OBDII vehicle tracking system from DPL Telematics has no external wiring or antenna and plugs into the existing OBDII port of most vehicles, enabling managers to wirelessly monitor vehicles from an internet-based software package and mobile app. Anti-tamper features include a backup battery that delivers immediate disconnection notifications with location, as well as GPS jamming detection. 800/897-8093; www.dpltel.com.