1. For OEM Car Radios which support wired CarPlay: Carlinkit 3.0/ 4.0
Carlinkit 4.0 supports both Apple CarPlay for iPhones and Android Auto system for Android mobiles, while Carlinkit 3.0 only support Apple CarPlay for iPhones.
2. For OEM Car Radios which support wired Android Auto: Carlinkit A2A
3. For Aftermarket Android Car Screen: Autokit
4. If your car has wired carplay, and you enjoy watching video in the car's screen, then you deserve the T-box dongles. (T-box mini/ T-box plus)
5. If your car is Tesla, then you can choose Carlinkit T2C.