It doesn’t matter if you use Bluetooth or WiFi version OBD2 adapter. Speaking of data transfer from OBD2 ports, data provided by vehicle’s computer via OBD2 ports is small. So, it’s commonly used in internet modem routers. WiFi, on the other hand, is designed as a replacement for high-speed cabling which can handle large file transfers, streaming videos, and so on. Thus, it’s suitable for an application between two or more portable devices. Bluetooth is commonly used as a replacement for a wire between two electric devices such as transferring sound data from smartphone to headset or sending a small file between two computers.īluetooth is designed for transmitting small data between two or more devices that are close each other. Which is better? Basic of Bluetooth technologyīoth Bluetooth and WiFi are wireless technology transmitting radio waves between two or more electric devices to communicate each other. Why are there two versions? Bluetooth vs.

Some brands have Bluetooth or WiFi version although they have the same specs and features.

They connect to your smartphone wirelessly using either Bluetooth or WiFi. The adapters have access to the vehicles computer and at the same time, connect to your smartphone to diagnose engine problems or see extra engine data which is not normally displayed on the dashboard. OBD2 adapters became popular in recent years.

Obd wifi vs bluetooth