radio scanner

Airwave listening device

A radio scanner is a receiver that automatically cycles through multiple frequencies, stopping when it detects a signal.

Hobbyists use them to monitor police, fire, emergency services, and aircraft communications: He heard about the accident on his scanner before it made the news.

Also called simply a scanner.

Related

antenna · base station · static · dispatch · breaking news · air traffic · emergency · emergency services · monitor · channels · ham · receiver · airwaves · squelch · transmit · CB · crackle · communications

Categories
Opposites
communication directionality

radio scannertwo-way radio

Device for mutual audio exchange

walkie-talkie · CB radio · intercom · satellite phone · transceiver

signal relationship

radio scannerradio transmitter

Broadcasts electromagnetic signals wirelessly

radio station · radio beacon · emergency beacon · signal jammer · broadcasting equipment

Family

radio, scanner, radios, scanners, scan, scans, scanned, scanning, radiate

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G