N Arduino o.Ä. sollte es richten können

H155 ~ 4db Verlust auf 10m bei 1,8GHz
Also. Sch... auf die 2.x db die du bei den evtl zu kürzenden 6m hast

They can do even better: routing the pipe for the rear window washer through the wiring harness of power-steering and MCU... guess what breaks after the plasticizer is gone
Seen on then ~2 yr old polos some years ago. Skoda did exactly the same fault 3 yrs after

Well it might be in france but there are ways around. Eg. Make a US-License (extra) and after that you can have the authorities written it over to a french one