So here follows my preferences — what I reach for when I want a coax connector. A UHF plug. By Appaloosa (Own work) [CC BY-SA 3.0 or GFDL], via Wikimedia Commons.

The Cylindrical Reader M30 UHF is now available with the additional CANbus (SAE J1939 or CANopen) interface option. The serial CANbus system enables data exchange between several control units.