DIY GPS Vehicle Tracker The A9 is a 4G-based IP66 Waterproof LTE GPS tracker. With built-in high-precision GPS positioning module it reports the vehicle location and vehicle status to the vehicle tracking service platform through the 4G network for real-time vehicle monitoring, anti-theft and dispatch management. The A9 has a relay output that can be configured and activated to cut fuel or immobilize. There is an option to use your own SIM card or make use of the MAMI tracking SIM system where you never need to worry about running out of airtime.