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Sheridan County Police Frequencies

Sheridan County in Montana has 1 countywide conventional frequency and 0 countywide talkgroups in our database. Use the list of 8 cities and communities below for local police departments.

About Sheridan County Police Frequencies

  • 1 conventional channel uses a digital mode (P25), which needs a scanner that decodes that mode.

Sheridan County conventional frequencies

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Sheridan County SheriffSheridan County Sheriff – Dispatch154.7100
In 159.4725
NAC 311P25WQEQ311

Radio system sites in Sheridan County

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

Plentywood · Montana Public Safety Communications System
RFSS 2 · Site 1 (hex 1) · NAC 161
Control 151.085, 158.85
Voice 151.28, 151.355
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 Sheridan County

Common questions

What frequency do the police use in Sheridan County?

Dispatch channels listed for Sheridan County: Sheridan County Sheriff 154.7100 MHz (NAC 311).