San Antonio also extends into Bexar County, Comal County.
About San Antonio 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.
- 2 conventional channels use a digital mode (P25), which needs a scanner that decodes that mode.
- 2 listed entries are marked encrypted. No scanner can decode encrypted audio.
Medina County channels that also cover San Antonio
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Medina County Sheriff | Law Enforcement Secondary – Analog Side | 155.6400 In 154.7550 | 203.5 PL | FMN | KVF684 |
| Medina County Sheriff | Law Enforcement Primary | 155.9325 In 159.0375 | NAC 300 | P25 Encrypted | WQYC573 |
| Medina County Sheriff | Law Enforcement Primary – Analog Side | 155.9325 In 159.0375 | 203.5 PL | FMN | WQYC573 |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Medina County Sheriff | Law Enforcement Secondary | 155.6400 In 154.7550 | NAC 300 | P25 Encrypted | KVF684 |
Nearest trunked radio sites
Distances are measured from the center of San Antonio.
Central Simulcast · Alamo Area Regional Radio System (AARRS)
RFSS 140 · Site 140 (hex 8C) · NAC 96 · about 3 mi away
Control 851.625, 852.65, 853.1625, 853.3875, 854.0125, 854.1125, 854.6375, 855.5125, 856.3625, 856.7125, 856.8625, 858.4375, 858.7125, 858.9875, 859.2125, 859.4375, 859.9375, 859.9875
NW San Antonio · Greater Austin/Travis Regional Radio System (GATRRS)
RFSS 2 · Site 55 (hex 37) · NAC 130 · about 4 mi away
Control 774.06875, 774.53125
Voice 770.69375
Harlandale (South San Antonio) · Greater Austin/Travis Regional Radio System (GATRRS)
RFSS 2 · Site 35 (hex 23) · NAC 130 · about 8 mi away
Control 769.76875, 770.29375
Voice 771.09375, 772.36875, 773.14375, 774.91875
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 San Antonio?
We do not have a dispatch channel listed specifically for San Antonio. County-level dispatch channels in the same county: Medina County Sheriff 155.6400 MHz (203.5 PL); Medina County Sheriff 155.9325 MHz (NAC 300); Medina County Sheriff 155.9325 MHz (203.5 PL).