Montgomery County ESD 10
Portable Radio Fleet Map
2025 Edition · 7/800 TxWARN or IO · 800 MCHD · UHF · 800 City of Houston · VHF
Notes: Zones 18, 94, 95, 96 will only be programmed in radios with UHF capability. ·
Access to Zones 22–24 is granted by the City of Houston. ·
Access to Zone 25 is granted by the Cy Fair Fire Department. ·
Italicize = AES 256 Encryption · Bold = TDMA