answer:

Vehicles equipped with ETC onboard devices, as well as those receiving CPC cards or paper passes, will no longer enjoy preferential travel policies. 1. The original ETC onboard devices are mostly single piece OBU, while the later installed ETC onboard devices are mostly dual piece OBU. Single piece OBU has the characteristics of low cost, long service life, and fast processing speed compared to dual piece OBU, and is the mainstream development direction in the market.

2. The original ETC car mounted device design is more flexible and can be designed in different shapes. It can be developed in a hidden way and installed in positions such as rearview mirrors and instrument panels, making the installation location more reasonable. The ETC car mounted device installed later is basically the same (small rectangular box).

3. The original ETC onboard device will be powered by the onboard power supply, and the power supply line design is more reasonable and safe, so there is no longer any concern about its power supply.