Naperville Public Safety (P25)
From The RadioReference Wiki
System testing reported (5/2026). Talkgroup 1 (clear), talkgroups 101, 102, 103, 104, 105, 106, 401, 501, 601, 902, 912 (encrypted).
There is a discussion about this system in the Radio Reference forums here.
Per a DuPage ETSB meeting document, police will have an interop bank. TG names: Staging, Inc 2, Inc 3, Inc 4, etc. thru Inc 15, PD 1, PD 2. (5/4/26)