I maaaay have taken my phone on an accidental trip in a pool and was given an old phone to use as temporary. Has a headphone port. Saw the radio app and realized how do many of my smart phones even had radio access even though they all are capable. Bastards
Yes, and it’s easier to keep something like that confined to a car. There’s more space and a sizeable natural buffer.
Now imagine a train car full of people using this.