About Newmarket 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.
Newmarket conventional frequencies
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Newmarket Police | Police Operations | 155.3700 | NAC 460 | P25 | WNBM827 |
Rockingham County channels that also cover Newmarket
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| County Sheriff East | County Sheriff East | 154.9500 In 155.4150 | NAC 117 | P25 | KCB958 |
| County Sheriff West | County Sheriff West | 154.8150 In 155.4600 | NAC 117 | P25 | KCB958 |
Jails & Corrections
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Rockingham County Sheriff | Rockingham County Jail | 155.7900 In 151.2125 | 141.3 PL | FMN | KCB958 |
Nearest trunked radio sites
Distances are measured from the center of Newmarket.
Manchester Simulcast · Manchester
RFSS 1 · Site 1 (hex 1) · NAC 8A1 · about 31 mi away
Control 857.9375, 858.2125, 858.4875, 859.4875
Voice 854.0625, 854.9875, 856.2125, 856.4875, 856.7625, 857.2375, 857.4875
Nashua Simulcast · Nashua
RFSS 1 · Site 2 (hex 2) · NAC 5C2 · about 32 mi away
Control 852.55, 852.75, 853.2625, 853.45
Voice 851.05, 851.6, 851.775, 851.975, 852.3625, 853.5125
Colonial Drive · Litchfield
Site 1 (hex 1) · about 40 mi away
Voice 453.15, 453.5
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 Newmarket?
Dispatch channels listed for Newmarket: Newmarket Police 155.3700 MHz (NAC 460).