About Clark Police Frequencies
- 3 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
- 1 conventional channel uses a digital mode (P25), which needs a scanner that decodes that mode.
- Trunked radio systems that carry law-enforcement traffic here: New Jersey Interoperability Communications System (NJICS): 18 talkgroups. A trunking scanner is required, and it must support the system type shown.
- To follow a trunked system, program a control channel first. For Clark, start with the Union County Simulcast site of New Jersey Interoperability Communications System (NJICS), about 2 miles away. Its control channels: 771.40625, 772.73125, 774.68125 MHz.
- 8 listed entries are marked encrypted. No scanner can decode encrypted audio.
Clark conventional frequencies
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Clark Police | Police 1 Dispatch & Operations | 453.6750 In 458.6750 | NAC 404 | P25 | WQXQ259 |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Clark Police | Police 2 Secondary | 453.8250 In 458.8250 | 114.8 PL | FMN | WPAD612 |
Union County channels that also cover Clark
Jails & Corrections
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Union County Sheriff | County Juvenile Detention Center Operations | 453.4375 In 458.4375 | 411 DPL | FMN | WQIB534 |
| Union County Sheriff | County Jail Operations | 460.4250 In 465.4250 | 411 DPL | FMN | WPBI905 |
New Jersey Interoperability Communications System (NJICS)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Union County Sheriff | County Police Patrol Dispatch | 4279 | 10b7 | T |
| Union County Sheriff | County Sheriff Main | 4287 | 10bf | T |
| Union County Sheriff | County Police Operations | 4281 | 10b9 | T |
| Union County Sheriff | County Police Detectives | 4283 | 10bb | T |
| Union County Sheriff | County Police Patrol Operations | 4285 | 10bd | T |
| Union County Sheriff | County Sheriff Internal Affairs | 4289 | 10c1 | T |
| Union County Sheriff | County Sheriff Field Operations (Process Servers) | 4291 | 10c3 | T |
| Union County Sheriff | County Prosecutor Special Operations | 4293 | 10c5 | T |
| Union County Sheriff | County Prosecutor Homicide | 4295 | 10c7 | T |
| Union County Sheriff | Union Township Law All Call | 4739 | 1283 | T |
8 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Union County Sheriff | Union Twp Police Department Dispatch | 4679 | 1247 | T Encrypted |
| Union County Sheriff | County Prosecutor NSF | 4297 | 10c9 | T Encrypted |
| Union County Sheriff | County Police Special Operations (SWAT) 1 | 4299 | 10cb | T Encrypted |
| Union County Sheriff | County Police Special Operations (SWAT) 2 | 4301 | 10cd | T Encrypted |
| Union County Sheriff | County Police Special Operations (SWAT) 3 | 4303 | 10cf | T Encrypted |
| Union County Sheriff | Union Twp Police Department Interop | 4681 | 1249 | T Encrypted |
| Union County Sheriff | Union Twp Police Department Criminal Justice Info | 4683 | 124b | T Encrypted |
| Union County Sheriff | Union Twp Police Department Investigations | 4685 | 124d | T Encrypted |
Nearest trunked radio sites
Distances are measured from the center of Clark.
Union County Simulcast · New Jersey Interoperability Communications System (NJICS)
RFSS 1 · Site 7 (hex 7) · NAC 394 · about 2 mi away
Control 771.40625, 772.73125, 774.68125, 854.7375
Voice 770.25625, 771.09375, 772.29375, 773.45625, 773.66875, 851.2625, 851.2875, 852.5625, 853.3, 853.625, 856.6125, 857.6125, 858.1125
Cranford · New Jersey Transit
Site 7 (hex 7) · about 3 mi away
Control 856.1875
Voice 857.1875
Simulcast · Woodbridge Township
RFSS 1 · Site 1 (hex 1) · NAC 350 · about 4 mi away
Control 484.3625, 484.6125, 484.8625, 484.9875
Voice 478.5625, 478.7375, 483.8625, 484.1125, 500.1875, 500.2125, 501.3, 501.4, 501.575, 501.775, 501.875
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 Clark?
Dispatch channels listed for Clark: Clark Police 453.6750 MHz (NAC 404).