About Rockdale County Police Frequencies
- Trunked radio systems that carry law-enforcement traffic here: Rockdale County Public Safety P25 (Project 25): 4 talkgroups. A trunking scanner is required, and it must support the system type shown.
- To follow a trunked system, program a control channel first. For Rockdale County, start with the Conyers site of Conyers Public Safety P25. Its control channels: 856.0625, 857.0625, 857.5375 MHz.
- 4 listed entries are marked encrypted. No scanner can decode encrypted audio.
Rockdale County trunked talkgroups
Rockdale County Public Safety P25
Project 25
4 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Rockdale County Sheriff | Rockdale County Sheriff – Dispatch | 1 | 1 | D Encrypted |
| Rockdale County Sheriff | Criminal Investigation | 9 | 9 | D Encrypted |
| Rockdale County Sheriff | Criminal Investigations | 10 | a | D Encrypted |
| Rockdale County Sheriff | Records | 6 | 6 | D Encrypted |
Radio system sites in Rockdale County
Program the control channel first; your scanner finds the voice channels from it.
Conyers · Conyers Public Safety P25
Project 25 · RFSS 1 · Site 1 (hex 1) · NAC 851
Control 856.0625, 857.0625, 857.5375
Voice 854.0875, 854.6625
Simulcast · Rockdale County Public Safety P25
Project 25 · RFSS 1 · Site 1 (hex 1) · NAC 541
Control 855.5125, 855.5375, 856.1125, 856.5375, 857.5625
Voice 851.4875, 851.9125, 852.65, 853.575, 854.1625
What do these numbers mean?
- Control channel
- The frequency your scanner listens to first. It tells the scanner where each voice call is happening, so program it before anything else.
- Voice
- The other frequencies the site uses for calls. A trunking scanner follows them automatically once it has the control channel.
- Site
- One tower location of the system. Scanners show the number in decimal or hex, so both are listed.
- RFSS (Radio Frequency Sub-System)
- A group of sites run by the same controller. Large Project 25 systems can have several.
- NAC (Network Access Code)
- A hex code the site transmits. Your scanner can use it to ignore other systems on the same frequency.
- Talkgroup
- A virtual channel on a trunked system, such as one agency’s dispatch. Programming uses the decimal or hex number, depending on your scanner.
Cities & communities in Rockdale County
Common questions
Are Rockdale County police talkgroups encrypted?
4 of the 4 talkgroups listed for Rockdale County are marked fully or partly encrypted; a scanner cannot decode encrypted audio.