About Mills Police Frequencies
- 1 conventional channel is analog FM, so any scanner can receive it. Enter the frequency and set the tone shown in the table.
- 3 conventional channels use a digital mode (P25), which needs a scanner that decodes that mode.
- Trunked radio systems that carry law-enforcement traffic here: Federal Correctional Institution Greenville: 5 talkgroups; STARCOM21 Statewide Illinois: 8 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 Mills, start with the Primary site of Federal Correctional Institution Greenville, about 6 miles away. Its control channels: 407.4125, 408.2125, 408.25 MHz.
- 6 listed entries are marked encrypted. No scanner can decode encrypted audio.
Bond County channels that also cover Mills
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Bond County Sheriff | Bond County Sheriff – Dispatch (Simulcast TG 7882) | 155.0100 In 158.9550 | NAC 162 | P25 | KSD589 |
| Greenville College Police | Greenville College Police – Dispatch | 453.5750 In 458.5750 | 047 DPL | FMN | WQIW568 |
Jails & Corrections
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Correctional Institution Greenville | Operations | 408.2500 | NAC 041 | P25 | — |
| Correctional Institution Greenville | Operations | 409.4125 | NAC 041 | P25 | — |
Federal Correctional Institution Greenville
5 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Prison Operations | Operations | 16 | 10 | D Encrypted |
| Prison Operations | Operations | 32 | 20 | D Encrypted |
| Prison Operations | Operations | 48 | 30 | D Encrypted |
| Prison Operations | Operations | 80 | 50 | D Encrypted |
| Prison Operations | Operations | 112 | 70 | D Encrypted |
STARCOM21 Statewide Illinois
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Bond County Sheriff | Law Dispatch C? (Simulcast of VHF) | 7883 | 1ecb | D |
| Bond County Sheriff | Greenville College – Security | 7898 | 1eda | D |
| Bond County Sheriff | Law Operations | 7888 | 1ed0 | D |
| Bond County Sheriff | Law Operations | 7890 | 1ed2 | D |
| Bond County Sheriff | Law Operations | 7891 | 1ed3 | D |
| Bond County Sheriff | Law Operations | 7892 | 1ed4 | D |
| Bond County Sheriff | Law Operations | 7899 | 1edb | D |
1 encrypted talkgroup (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Bond County Sheriff | Law Operations | 7887 | 1ecf | D Encrypted |
Nearest trunked radio sites
Distances are measured from the center of Mills.
Primary · Federal Correctional Institution Greenville
Site 1 (hex 1) · about 6 mi away
Control 407.4125, 408.2125, 408.25, 408.8125, 409.4125
Greenville · STARCOM21 Statewide Illinois
RFSS 3 · Site 60 (hex 3C) · NAC 144 · about 7 mi away
Control 851.5875, 852.8, 853.25
Voice 851.125, 853.725
Simulcast 2-1 · Clinton County IL Public Safety
RFSS 2 · Site 1 (hex 1) · NAC B63 · about 13 mi away
Control 155.13, 155.4375, 155.5575, 155.6775, 155.805
Voice 155.3175, 155.9475
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 Mills?
We do not have a dispatch channel listed specifically for Mills. County-level dispatch channels in the same county: Bond County Sheriff 155.0100 MHz (NAC 162); Greenville College Police 453.5750 MHz (047 DPL).