it is i the kanto region in soul silver after you defeat the elite 4
mt.silver/by the gym/by the power plant/bell tower/whirl caves.
if its the one in the radio tower then you cant but theres nothing there if its not him then go to the power plant and help fix the probolem there
the radio tower in kanto will give you that after you sort out the problem in the power plant and find the stolen part you talk to the old man in there
power plant
It is a poketech app after you solve the problem with the power plant. You have to go to the radio tower in kanto after and talk to the people and one will give you the app.
you go to lavender town and go into the radio tower to gt the expn card to make it so your radio works in kanto
in Lavender town, the big tower, turn the power plant on and talk to the guy in charge!
first you have too go to power plant and fix the power then go to lavender town's radio tower and talk to the leader and he will give you a radio card.
the power plant is in kanto where it was in blue,red, and yellow version
you have to have completed the power plant mission and he will be outside the power plant on the left
you can order it gray
Power Plant