: For those who want raw data, you can search license applications by location (ZIP code) or callsign to see what new bands have been allocated to local businesses or agencies.

: Useful for locating physical towers within a specific radius of your address, helping you identify who is transmitting nearby. Common Digital Frequency Bands

: The gold standard for scanner enthusiasts. It features a comprehensive, user-vetted database of nationwide frequencies, including specific Talkgroups for digital trunked systems.

Most modern public safety and commercial digital transmissions occur in these primary ranges:

Finding active digital channels requires using specialized databases rather than just "blindly" scanning the dial.