GtarMitter Guitar Transmitter For AM Radios.
Are you both a guitar and vintage radio enthusiast? Well, combine both passions with this handy little device! Plug your guitar into the GtarMitter, place it close to your radio with a short antenna wire, and use your vintage AM radio as an amplifier. It’s portable, takes a single 9v battery, with ultra low power consumption, so you can use it, on the go, with a vintage vehicle or portable set as well. Antenna wire and detailed instructions included.
See it in action here
https://youtu.be/U6Dt-THfZBs