What are some words for sounds a radio/walkie talkie makes?

I'm joking around with a friend, we're talking as if communicating by walkie-talkie. So far we've used crackle, fizzle, sizzle, static, pop, and most recently "static fizzes, whizzes, kabooms" and "radio snaps, crackles, pops".

Any suggestions? Funny is good, if you couldn't tell by the last two examples :DWhat are some words for sounds a radio/walkie talkie makes?
So far it sounds like you are focusing on the hissing and whizzing (white Noise) between the conversation but what about the Squeals, Bleeps, Blips, or Whippets (squelch) that occur as you hit a transmit button, or hear the trailing end of the conversation from the other end between the conversation and the next white noise block?
White noise.What are some words for sounds a radio/walkie talkie makes?
chirp
squawk

screechWhat are some words for sounds a radio/walkie talkie makes?
Booo-Bleep! That actually the radio in our fire engine makes when you key it up.