Time Track (passive)
Available from GPS Systems, Inc
Time Track is an automatic download (passive) GPS tracking system that provides historical records of vehicle start and stop times, moving time, mileage, speed, stop lengths, and addresses; everything you need to manage productivity and compare driver performance company wide. There is NO MONTHLY EXPENSE as the data is downloaded when the vehicle returns to base. The Time Track GPS tracking device and antenna both can be easily concealed for covert operation.