That radio is at least some kind of communication.
5 seconds sound clip from the Night of the Living Dead (1968) movie soundboard.
You can hear this line at 00:51:04 in the Blu-ray version of the movie.
Quote context
[...]
- Nothing! Nothing! They don't know anything yet.
- There's mass murder everywhere, and people are supposed to look for a safe place to hide.
- Take the boards off that door.
- We are staying down here, Helen.
- That radio is at least some kind of communication.
- How are we going to know what's going on if we lock ourselves in this dungeon?
- We may not enjoy living together... but dying together isn't going to solve anything.
- Those people aren't our enemies.
- Mr. Cooper! Mr. Cooper? Ben found a television set upstairs.
[...]