Police scanner guides

Plain English answers to the questions people actually ask about scanning. Free to read, no sign up.

How scanning works, what you can hear, and why some channels are clear while others are noise.

The general legal picture, the restrictions that actually exist, and what to check where you live.

What 10-4 and Signal 7 mean, why departments are dropping codes, and how to follow a call without memorising a list.

Encryption is spreading. What that means for listeners and what is still open.

Apps, browsers and hardware compared, and why online scanning is delayed by a few seconds.

Get the app

Police Scanner Pro is free to download. Premium is optional.