About Pinebrook Police Frequencies
- 2 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: Texas Wide Area Radio Network (TxWARN): 5 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 Pinebrook, start with the Navasota site of Texas Wide Area Radio Network (TxWARN), about 12 miles away. Its control channels: 853.4375 MHz.
- 3 listed entries are marked encrypted. No scanner can decode encrypted audio.
Grimes County channels that also cover Pinebrook
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Grimes County Sheriff | Sheriff Backup VHF (SJEMS Dispatch) | 154.8000 In 155.9700 | 141.3 PL | FMN | KNGU984 |
| Grimes County Sheriff | Sheriff Backup VHF P25 | 154.8000 In 155.9700 | NAC 200 | P25 | KNGU984 |
Talk-around & Car-to-Car
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Grimes County Sheriff | Sheriff Backup Talkaround | 156.0150 | 141.3 PL | FMN | KNGU984 |
Texas Wide Area Radio Network (TxWARN)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Grimes County Sheriff | Sheriff Interop | 2569 | a09 | D |
| Grimes County Sheriff | Jail | 2572 | a0c | D |
3 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Grimes County Sheriff | Sheriff 1 Dispatch | 2570 | a0a | D Encrypted |
| Grimes County Sheriff | Sheriff 3 | 2408 | 968 | D Encrypted |
| Grimes County Sheriff | Sheriff 2 | 2571 | a0b | D Encrypted |
Nearest trunked radio sites
Distances are measured from the center of Pinebrook.
Navasota · Texas Wide Area Radio Network (TxWARN)
RFSS 1 · Site 46 (hex 2E) · NAC 1A0 · about 12 mi away
Control 853.4375
Voice 851.9, 852.2, 852.5625, 852.8625, 853.1625
Anderson · Texas Wide Area Radio Network (TxWARN)
RFSS 1 · Site 42 (hex 2A) · NAC 1A1 · about 14 mi away
Control 769.56875, 769.61875
Voice 770.78125, 771.26875, 771.30625, 772.30625
Harris County Northwest Simulcast · Texas Wide Area Radio Network (TxWARN)
RFSS 1 · Site 13 (hex D) · NAC 1A0 · about 20 mi away
Control 773.69375, 774.45625
Voice 771.71875, 772.49375, 772.64375, 772.86875, 851.975, 852.25, 852.575, 853.1, 853.7625, 854.9625
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 Pinebrook?
We do not have a dispatch channel listed specifically for Pinebrook. County-level dispatch channels in the same county: Grimes County Sheriff 154.8000 MHz (141.3 PL); Grimes County Sheriff 154.8000 MHz (NAC 200).