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Liberty County Police Frequencies

Liberty County in Montana has 1 countywide conventional frequency and 1 countywide talkgroup in our database. Use the list of 6 cities and communities below for local police departments.

About Liberty 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: Montana Public Safety Communications System: 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 Liberty County, start with the Mount Royal site of Montana Public Safety Communications System. Its control channels: 151.43, 161.9375 MHz.

Liberty County conventional frequencies

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Liberty County SheriffLiberty County Sheriff – Dispatch154.8300
In 155.7300
CSQFMNWNJI376

Liberty County trunked talkgroups

Montana Public Safety Communications System

AgencyDescriptionTalkgroupHexMode
Liberty County SheriffLiberty County Sheriff – Dispatch67611a69D

Radio system sites in Liberty County

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

Mount Royal · Montana Public Safety Communications System
RFSS 1 · Site 18 (hex 12) · NAC 162
Control 151.43, 161.9375
Voice 151.205
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 Liberty County

Common questions

What frequency do the police use in Liberty County?

Dispatch channels listed for Liberty County: Liberty County Sheriff 154.8300 MHz (CSQ).

Are Liberty County police talkgroups encrypted?

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