theres a guy with a hat in the radio tower speak to him you will receive the card and move the circle thing in the radio at the top you will hear pokeflute
u get it from the person in the radio-tower
lavender town radio tower
go to lavender town to the radio tower talk to the man sitting at the table.
Lavender Town> Radio Tower> Someone
you walk into the lavender town tower and talk to the man in brown coat and hat. He will give you the card.
You have to fix the power plant and then go to Lavender town radio tower.
In Lavender Town, where the radio tower is, there is in old man inside and he will give you the Kanto Radio card (if it is your first visit)
get the EXPN card in lavender town to get that station
you have to go to lavender town its there
you go to the radio tower then talk to 2 guys one guy gives you the expn card then the other guy will give you the radio card
To upgrade your radio in Pokémon Gold, go to the radio tower in Lavender Town. There you will be given the radio card.
Go to the radio tower in lavender town then talk to the man in the hat and he will give you the expn card