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Cave Police Frequencies

We do not have frequencies listed specifically for Cave in Franklin County, Illinois yet. Countywide channels for Franklin County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Thompsonville (STARCOM21 Statewide Illinois), about 4 miles away.

About Cave Police Frequencies

  • 4 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
  • 4 conventional channels use a digital mode (DMR), which needs a scanner that decodes that mode.
  • Trunked radio systems that carry law-enforcement traffic here: Franklin County Sheriff (IL): 1 talkgroup; St. Louis Area Trunked Emergency Radio (SLATER): 1 talkgroup. A trunking scanner is required, and it must support the system type shown.
  • To follow a trunked system, program a control channel first. For Cave, start with the Thompsonville site of STARCOM21 Statewide Illinois, about 4 miles away. Its control channels: 851.975, 853.4 MHz.
  • 5 listed entries are marked encrypted. No scanner can decode encrypted audio.

Franklin County channels that also cover Cave

Dispatch

Dispatch frequencies for Franklin County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Franklin County Office of Emergency Management & Communications (OEMC)Central Dispatch Simplex (Christopher)158.7300CSQFMNWPVN396
Franklin County Office of Emergency Management & Communications (OEMC)Receive Link (Christopher)453.162571.9 PLFMNWQJS205
Franklin County Office of Emergency Management & Communications (OEMC) PoliceFranklin County Office of Emergency Management & Communications (OEMC) Police – Dispatch – West Rural151.2275
In 159.2850
223 DPLFMNWQJS205
Franklin County SheriffFranklin County Sheriff – Dispatch (Akin)151.1750
In 155.6325
CC 5 · TG * · SL *DMR EncryptedWQGP899
Franklin County SheriffFranklin County Sheriff – Dispatch (Christopher)151.2650
In 155.9700
CC 5 · TG * · SL *DMR EncryptedWQGP899
Franklin County SheriffFranklin County Sheriff – Dispatch (West Frankfort)156.1725
In 158.8950
CC 5 · TG * · SL *DMR EncryptedWQGP899
Franklin County SheriffFranklin County Sheriff – Dispatch (Benton/Rend Lake)159.1725
In 153.8075
CC 5 · TG * · SL *DMR EncryptedWQGP899

Jails & Corrections

Jails & Corrections frequencies for Franklin County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Franklin County SheriffJail/Prisoner Transport154.5700186.2 PLFMN—

Franklin County Sheriff (IL)

1 encrypted talkgroup (cannot be monitored)
Franklin County Sheriff (IL) encrypted talkgroups
AgencyDescriptionTalkgroupHexMode
Franklin County SheriffLaw Talk2425979T Encrypted

St. Louis Area Trunked Emergency Radio (SLATER)

St. Louis Area Trunked Emergency Radio (SLATER) talkgroups
AgencyDescriptionTalkgroupHexMode
Franklin County SheriffPacific Police – Dispatch55428d884D

Nearest trunked radio sites

Distances are measured from the center of Cave.

Thompsonville · STARCOM21 Statewide Illinois
RFSS 3 · Site 45 (hex 2D) · NAC 14D · about 4 mi away
Control 851.975, 853.4
Voice 852.875, 853.8875, 858.3375
Akin (East) · Franklin County Sheriff (IL)
Site 98 (hex 62) · about 5 mi away
Voice 156.1725
West Frankfort (South) · Franklin County Sheriff (IL)
Site 99 (hex 63) · about 9 mi away
Voice 154.1
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 Cave?

We do not have a dispatch channel listed specifically for Cave. County-level dispatch channels in the same county: Franklin County Office of Emergency Management & Communications (OEMC) Police 151.2275 MHz (223 DPL); Franklin County Sheriff 151.1750 MHz (CC 5 · TG * · SL *); Franklin County Sheriff 151.2650 MHz (CC 5 · TG * · SL *); Franklin County Sheriff 156.1725 MHz (CC 5 · TG * · SL *).