they cannot send audio from your phone to a car radio. Use FM transmitter devices to play phone audio on FM radios. If you ...

Their 1.3 MHz transmitter using the callsign 1BCG seems ... Even then, hundred-year-old tubes are hard to find in 2021, so they could only muster a single working example for the PA.

I even bought a few cheap FM transmitter modules from China for evaluation ... Even for me it’s something I only use for BBC Radio 4 in the car, and to traverse the remainder of the FM dial ...