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Concepcion Police Frequencies

We do not have frequencies listed specifically for Concepcion in Duval County, Texas yet. Countywide channels for Duval County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Falfurias (Lower Rio Grande Valley Regional Radio System (LRGVRRS)), about 17 miles away.

About Concepcion 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.
  • 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: Greater Austin/Travis Regional Radio System (GATRRS): 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 Concepcion, start with the Falfurias site of Lower Rio Grande Valley Regional Radio System (LRGVRRS), about 17 miles away. Its control channels: 769.66875, 769.96875 MHz.

Duval County channels that also cover Concepcion

Dispatch

Dispatch frequencies for Duval County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Duval County SheriffDuval County Sheriff – Dispatch155.0850NAC 2EEP25KBY874
Duval County SheriffDuval County Sheriff – Dispatch155.5350
In 156.0900
173.8 PLFMKBY874

Greater Austin/Travis Regional Radio System (GATRRS)

Greater Austin/Travis Regional Radio System (GATRRS) talkgroups
AgencyDescriptionTalkgroupHexMode
Duval County SheriffDuval County Sheriff – Dispatch3863f17D

Nearest trunked radio sites

Distances are measured from the center of Concepcion.

Falfurias · Lower Rio Grande Valley Regional Radio System (LRGVRRS)
RFSS 1 · Site 12 (hex C) · about 17 mi away
Control 769.66875, 769.96875
Voice 769.21875
Falfurrias · Coastal Bend Regional Interoperability Network
RFSS 51 · Site 51 (hex 33) · NAC 3D · about 18 mi away
Control 854.0375, 854.6625, 856.0625, 857.2625
Hebronville · Greater Austin/Travis Regional Radio System (GATRRS)
RFSS 1 · Site 37 (hex 25) · about 21 mi away
Control 151.16
Voice 151.3775, 154.0925, 154.205, 155.205
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.

Common questions

What frequency do the police use in Concepcion?

We do not have a dispatch channel listed specifically for Concepcion. County-level dispatch channels in the same county: Duval County Sheriff 155.0850 MHz (NAC 2EE); Duval County Sheriff 155.5350 MHz (173.8 PL).