Electronic Toll Collection (ETC) is a kind of method to get the fast charging rate at the tolling station. In this case we use 5.8GHz DSRC national standard,  and the vehicle identification, authentication , transaction is done automatically between  iTag V2  OBE and and iTag R1h RSE. The efficiency of ETC  is  7 times of the traditional artificial semi-automatic processing method,and it's highlight features are non-stop, safe and comfortable.