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: | October 29, 2025, 01:21 am UTC [Updated 2 Sites] |
System Notes
All talkgroups have full-time encryption, except Northfield Police SRO Channel
Sites and Frequencies
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Key:12###.#### DMR LCN
Winnetka Campus
Site 001 · 1
2 freqs
01152.34502152.285
Northfield Campus
Site 002 · 2
2 freqs
01152.952502154.490
Talkgroups
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Key:Enc full encryption
| DEC | Mode | Alpha Tag | Description | Tag |
|---|---|---|---|---|
| 101 | T Enc | PPS EAST | East-Physical Plant Services | Schools |
| 102 | T Enc | SECURITY EAST | East-Security | Security |
| 103 | T Enc | ATHLETICS EAST | East-Athletics | Schools |
| 104 | T Enc | PPS WEST | West-Physical Plant Services | Schools |
| 105 | T Enc | SECURITY WEST | West-Security | Schools |
| 106 | T Enc | ATHLETICS WEST | West-Athletics | Schools |
| 107 | T Enc | IT EAST | East-IT (Information Technology) | Schools |
| 108 | T Enc | IT WEST | West-IT (Information Technology) | Schools |
| 130 | T | NPD INTEROP | West-Northfield Police-School Resource Officer: Interop | Law Tac |
| 253 | T Enc | WEST GROUP CALL | West-Group Call | Schools |
| 254 | T Enc | EAST GROUP CALL | East-Group Call | Schools |
| 255 | T Enc | ALL CALL | Systemwide-All Call | Schools |