Related Clues:
- Firefly features
- Transmits, as some messages
- AM/FM receivers
- Cell tower equipment
- Workers engaging girl hoisted aerials
- Security guards carry them
- Hams’ devices
- Things used with some frequency?
- Queen say this in farewell to Barcelona as they're playing the latest tunes for the listeners
- Ham equipment
- ''Satellite'' audio receivers
- Radio-signal rods
- Sources of hits
- Radio aerials (S, not E)