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Scotch Plains Police Frequencies

Scotch Plains in Union County, New Jersey has 1 conventional frequency and 2 trunked talkgroups listed for local agencies. The closest trunked radio site we have is Union County Simulcast (New Jersey Interoperability Communications System (NJICS)), about 3 miles away.

About Scotch Plains 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.
  • Trunked radio systems that carry law-enforcement traffic here: New Jersey Interoperability Communications System (NJICS): 2 talkgroups; 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 Scotch Plains, start with the Union County Simulcast site of New Jersey Interoperability Communications System (NJICS), about 3 miles away. Its control channels: 771.40625, 772.73125, 774.68125 MHz.
  • 8 listed entries are marked encrypted. No scanner can decode encrypted audio.

Scotch Plains conventional frequencies

Talk-around & Car-to-Car

Talk-around & Car-to-Car frequencies for Scotch Plains
AgencyDescriptionFrequency (MHz)ToneModeFCC
Scotch Plains PolicePolice Local (Fallback)470.4625
In 473.4625
162.2 PLFMNWIF986

Scotch Plains trunked talkgroups

New Jersey Interoperability Communications System (NJICS)

New Jersey Interoperability Communications System (NJICS) talkgroups
AgencyDescriptionTalkgroupHexMode
Union County SheriffFanwood/Scotch Plains Police Department Dispatch457111dbT
Union County SheriffFanwood/Scotch Plains Police Department Secondary457311ddT

Union County channels that also cover Scotch Plains

Jails & Corrections

Jails & Corrections frequencies for Union County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Union County SheriffCounty Juvenile Detention Center Operations453.4375
In 458.4375
411 DPLFMNWQIB534
Union County SheriffCounty Jail Operations460.4250
In 465.4250
411 DPLFMNWPBI905

New Jersey Interoperability Communications System (NJICS)

New Jersey Interoperability Communications System (NJICS) talkgroups
AgencyDescriptionTalkgroupHexMode
Union County SheriffCounty Police Patrol Dispatch427910b7T
Union County SheriffCounty Sheriff Main428710bfT
Union County SheriffCounty Police Operations428110b9T
Union County SheriffCounty Police Detectives428310bbT
Union County SheriffCounty Police Patrol Operations428510bdT
Union County SheriffCounty Sheriff Internal Affairs428910c1T
Union County SheriffCounty Sheriff Field Operations (Process Servers)429110c3T
Union County SheriffCounty Prosecutor Special Operations429310c5T
Union County SheriffCounty Prosecutor Homicide429510c7T
Union County SheriffUnion Township Law All Call47391283T
8 encrypted talkgroups (cannot be monitored)
New Jersey Interoperability Communications System (NJICS) encrypted talkgroups
AgencyDescriptionTalkgroupHexMode
Union County SheriffUnion Twp Police Department Dispatch46791247T Encrypted
Union County SheriffCounty Prosecutor NSF429710c9T Encrypted
Union County SheriffCounty Police Special Operations (SWAT) 1429910cbT Encrypted
Union County SheriffCounty Police Special Operations (SWAT) 2430110cdT Encrypted
Union County SheriffCounty Police Special Operations (SWAT) 3430310cfT Encrypted
Union County SheriffUnion Twp Police Department Interop46811249T Encrypted
Union County SheriffUnion Twp Police Department Criminal Justice Info4683124bT Encrypted
Union County SheriffUnion Twp Police Department Investigations4685124dT Encrypted

Nearest trunked radio sites

Distances are measured from the center of Scotch Plains.

Union County Simulcast · New Jersey Interoperability Communications System (NJICS)
RFSS 1 · Site 7 (hex 7) · NAC 394 · about 3 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
Murray Hill · New Jersey Transit
Site 68 (hex 44) · about 4 mi away
Control 856.0875
Cranford · New Jersey Transit
Site 7 (hex 7) · about 5 mi away
Control 856.1875
Voice 857.1875
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

Are Scotch Plains police talkgroups encrypted?

None of the 2 talkgroups listed for Scotch Plains are marked encrypted.