You can choose best GPS tracking device type of school bus GPS tracker hardware from more than 500 devices including OBD based plug and play devices, Indian made devices – as per Govt. of India regulations AIS 140 standard devices (Kerala state Govt. Motor Vehicles Department specified data transmission protocol included devices). No wire tampering is required for all devices installation; it ensures that your vehicle warranty is not voided. We have low cost GPS tracking device for school buses.