Collocations for radio - noun

car
He was singing along with the car radio.

CB, hand-held, portable, transistor, two-way
clock
According to my clock radio it was 3.30 in the morning.

FM, long-wave, short-wave
digital, Internet, satellite, terrestrial (esp. AmE)
army, police
community, local, national, state
commercial, public (esp. AmE)
pirate
drive-time, talk

listen to, tune in to
tune
His radio is permanently tuned to Radio 1.

switch on, turn on
switch off, turn off
turn down, turn up

announce sth, report sth
The radio announced that the president had been assassinated.

play (sth)
blare, blare out, blast, blast out
He drove along with his windows open and the radio blaring.

crackle

alarm
receiver, set
dial
signal, waves
communication, contact, message
operator
system
antenna, transmitter
silence
The troops maintained a strict radio silence while they moved into position.

static
A crackle of radio static came back through the earpiece.

broadcaster, network, station
the largest radio broadcaster in the US

broadcast, programme/program, show, spot (esp. AmE), transmission
ad, advertisement, interview, news, report, talk show (esp. AmE)
announcer, DJ, host (esp. AmE), personality, reporter
listener
airplay
The song is currently getting heavy radio airplay.

frequency
amateur, ham
The distress call was picked up by a young radio ham.

chatter
It was fascinating to listen to the radio chatter from the ships.

drama, play
astronomy, telescope

by radio
The message was sent by radio.

on the radio
We were listening to a show on the radio.