Comment by diggan
Quick search seems to reveal Indium Tin Oxide (ITO) coated glass is transparent enough to let through visible light, but blocks transmissions. One could theoretically build a car with that for the windows. The rest seems easier.
Quick search seems to reveal Indium Tin Oxide (ITO) coated glass is transparent enough to let through visible light, but blocks transmissions. One could theoretically build a car with that for the windows. The rest seems easier.
The antenna doesn't have to be in the passenger cabin. You can make the passenger cabin a perfect faraday cage and it won't do anything.