An Amstrad CB radio emitter.
[[File:Amstrad CB901 radio emitter.jpeg|600px]]
== Using CB radio as a modem ==
CB radio could be used as a modem through the cassette port of the Amstrad CPC.
[[File:CB radio modem1.jpg|600px]][[File:CB radio modem2.jpg|600px]][[File:CB radio modem3.jpg|600px]]
== FM radio diffusion ==