About Lawrence Police Frequencies
- 3 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
- Trunked radio systems that carry law-enforcement traffic here: Lawrenceville Correctional Center - IDOC (Lawrence): 5 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 Lawrence, start with the Lawrenceville site of STARCOM21 Statewide Illinois, about 3 miles away. Its control channels: 853.4, 853.975, 858.2125 MHz.
Lawrence County channels that also cover Lawrence
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Lawrence County Sheriff | St Francisville Police – Dispatch / Sheriff :Backup | 159.1575 In 153.9425 | 223 DPL | FMN | WRDI308 |
| Lawrence County Sheriff Old | 154.755 Link (Bridgeport) | 453.2500 In 458.2500 | 245 DPL | FMN | WRDI308 |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Lawrence County Sheriff Old | Mobile (Mutual Aid) | 156.2000 | FMN | KA49901 |
Lawrenceville Correctional Center - IDOC (Lawrence)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| All | All – Corrections | 80 | 50 | D |
| All | Operations | 176 | b0 | D |
| All | Operations | 272 | 110 | D |
| All | Operations | 368 | 170 | D |
| All | All – Corrections | 528 | 210 | D |
Nearest trunked radio sites
Distances are measured from the center of Lawrence.
Lawrenceville · STARCOM21 Statewide Illinois
RFSS 3 · Site 11 (hex B) · NAC 146 · about 3 mi away
Control 853.4, 853.975, 858.2125
Voice 852.875
Flatrock · STARCOM21 Statewide Illinois
RFSS 3 · Site 9 (hex 9) · NAC 14F · about 11 mi away
Control 851.8875, 852.4125
Voice 851.3625, 851.725, 852.9375, 853.4625
Sumner · Lawrenceville Correctional Center - IDOC (Lawrence)
Site 1 (hex 1) · about 11 mi away
Control 855.7125, 855.9625
Voice 855.2375, 858.9625
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.
Common questions
What frequency do the police use in Lawrence?
We do not have a dispatch channel listed specifically for Lawrence. County-level dispatch channels in the same county: Lawrence County Sheriff 159.1575 MHz (223 DPL).