Texas Wireless Interoperability Network (TWIN)

System Name: Texas Wireless Interoperability Network (TWIN)
Location: Irving, TX
County: Dallas
System Type: Project 25 Phase II
System Voice: APCO-25 Common Air Interface Exclusive
System ID: Sysid: 221 WACN: 7494E
Last Updated: June 28, 2026, 02:17 am UTC   [Changed Site # 001 (Irving Simulcast) to 1 (Irving Simulcast)]
System Notes

Irving backup system to NTIRN.  Appears to be using same TGs as NTIRN.

Sites and Frequencies

Red (c) are control channel capable frequencies
RFSS Site Name Freqs
1 (1) 001 (1) Irving Simulcast 769.28125c770.06875c770.56875c771.23125c771.50625

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