New Trier Township High School District 203

System Name: New Trier Township High School District 203
Location: Northfield, Winnetka, IL
County: Cook
System Type: DMR Motorola Capacity Plus Multi Site (TRBO)
System Voice: DMR
Last Updated: September 27, 2025, 09:41 am UTC   [Deleted 1 talkgroup(s) from All]
System Notes

All talkgroups have full-time encryption, except Northfield Police SRO Channel

Sites and Frequencies

Red (c) are control channel capable frequencies
Site Name Freqs
001 (1) Northfield Campus 01 152.952502 154.490
002 (2) Winnetka Campus 01 152.34502 152.285

Talkgroups

DEC Mode Alpha TagDescriptionTag
101TEPPS EASTEast-Physical Plant ServicesSchools
102TESECURITY EASTEast-SecuritySecurity
103TEATHLETICS EASTEast-AthleticsSchools
104TEPPS WEST West-Physical Plant ServicesSchools
105TESECURITY WESTWest-SecuritySchools
106TEATHLETICS WESTWest-AthleticsSchools
107TEIT EASTEast-IT (Information Technology)Schools
108TEIT WESTWest-IT (Information Technology)Schools
130TNPD INTEROP West-Northfield Police-School Resource Officer: InteropLaw Tac
253TEWEST GROUP CALLWest-Group CallSchools
254TEEAST GROUP CALLEast-Group CallSchools
255TEALL CALLSystemwide-All CallSchools