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Jefferson County Police Frequencies

Jefferson County in Mississippi has 1 countywide conventional frequency and 1 countywide talkgroup in our database. Use the list of 1 city and community below for local police departments.

About Jefferson County 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.
  • Trunked radio systems that carry law-enforcement traffic here: Mississippi Wireless Information Network (MSWIN): 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 Jefferson County, start with the Union Church site of Mississippi Wireless Information Network (MSWIN). Its control channels: 770.45625, 770.70625, 770.95625 MHz.

Jefferson County conventional frequencies

Jails & Corrections

Jails & Corrections frequencies for Jefferson County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Jefferson/Franklin Regional Detention Center (MDOC)MDOC Data/Operations856.0375
In 811.0375
FMWNMY857

Jefferson County trunked talkgroups

Mississippi Wireless Information Network (MSWIN)

Mississippi Wireless Information Network (MSWIN) talkgroups
AgencyDescriptionTalkgroupHexMode
Jefferson County SheriffJefferson County Sheriff – Dispatch333358237T

Radio system sites in Jefferson County

Program the control channel first; your scanner finds the voice channels from it.

Union Church · Mississippi Wireless Information Network (MSWIN)
RFSS 1 · Site 36 (hex 24) · NAC 2A0
Control 770.45625, 770.70625, 770.95625
Voice 769.80625, 770.20625
Fayette · Mississippi Wireless Information Network (MSWIN)
RFSS 1 · Site 37 (hex 25) · NAC 2A2
Control 770.41875, 770.66875, 770.91875
Voice 770.16875, 773.95625
Jefferson North · Mississippi Wireless Information Network (MSWIN)
RFSS 1 · Site 43 (hex 2B) · NAC 2A0
Control 769.44375, 769.69375, 769.94375
Voice 769.19375, 773.38125
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 Jefferson County

Common questions

Are Jefferson County police talkgroups encrypted?

None of the 1 talkgroups listed for Jefferson County are marked encrypted.