Gwinnett County, Georgia: Police Scanner Guide
Most police and sheriff agencies in Gwinnett County have gone encrypted. You can still monitor fire, EMS, weather broadcasts, and any remaining unencrypted channels.
What You Can Still Monitor in Gwinnett County
- Fire dispatch — most fire departments stay on open radio even when police go encrypted
- EMS / ambulance dispatch — emergency medical services often remain unencrypted for interoperability
- NOAA Weather Radio — direct NWS broadcasts on 162.400–162.550 MHz
- Public works & utilities — city maintenance, road crews, and utilities typically unencrypted
Recommended Scanners for Gwinnett County
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Agencies in Gwinnett County
Data from the RadioReference database and direct verification. View all Georgia agencies →
| Agency | Type | Encryption |
|---|---|---|
| City of Duluth Fire Department | fire | P25 ADP |
| City of Duluth Police Department | police | P25 ADP |
| City of Lawrenceville Police Department | police | P25 ADP |
| City of Lawrenceville Public Works | other | P25 ADP |
| City of Norcross Police Department | police | P25 ADP |
| Georgia Gwinnett College | university | P25 ADP |
| Gwinnett County Fire | fire | P25 ADP |
| Gwinnett County Sheriff | sheriff | P25 ADP |
Frequently Asked Questions
What can I monitor in Gwinnett County, Georgia?
Most police and sheriff agencies in Gwinnett County have gone encrypted. You can still monitor fire, EMS, weather broadcasts, and any remaining unencrypted channels. Check the local fire and EMS frequencies which often remain unencrypted even when police go encrypted.
Is police radio encrypted in Gwinnett County?
Yes — 8 out of 8 agencies in Gwinnett County use full encryption. Fire and EMS frequently remain unencrypted.
What scanner do I need for Gwinnett County?
For Gwinnett County, we recommend a scanner that covers VHF and UHF frequencies for fire, EMS, and weather — the Uniden BC125AT is the best value. For broader exploration, the RTL-SDR V4 with free SDRTrunk software can scan the full spectrum.