Illinois State Police
Division of Patrol - Statewide
In 2023, ISP switched from 22 districts to 11 Troops
ISP appears to be switching to VHF/800mhz portables and are also changing mobile extenders back to VHF (in areas where portable coverage is not possible)
ISPERN-Illinois State Police Emergency Radio Network "
Conventional Channels - These frequencies have been moved to the wiki as they appear to no longer (or ever heard) in use.
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
155.475 | KA5825 |
BM |
CSQ |
ISPERN CSQ |
ISPERN [HF-1] (statewide Rx) |
FMN |
Law Dispatch |
155.475 | KN3600 |
BM |
156 DPL |
ISPERN D156 |
ISPERN [HF-1] (statewide Tx) |
FMN |
Law Dispatch |
155.475 | KA5825 |
BM |
67.0 PL |
ISPERN 67.0 |
ISPERN [HF-1] (Some Districts Tx) |
FMN |
Law Dispatch |
155.475 | |
B |
71.9 PL |
ISPERN 71.9 |
ISPERN [HF-1] (Districts C, 2, 5, 15, 17, 21) |
FMN |
Law Dispatch |
155.055 | KA5825 |
BM |
CSQ |
IREACH CSQ |
Illinois Radio Emergency Assistance Channel [HF-3] (Legacy/Rx) |
FMN |
Interop |
155.055 | KA5825 |
M |
156 DPL |
IREACH D156 |
Illinois Radio Emergency Assistance Channel [HF-3] (Tx) |
FMN |
Interop |
155.460 | KA5825 |
BM |
CSQ |
ISP S/W HF-4 |
HF4 - Channel 7 / To Ambulances on 155.34 |
FMN |
Law Talk |
155.340 | |
M |
225.7 PL |
MERCI1 225.7 |
Ambulance-to-ISP District for Communicate (District receives this freq) [ISP HF-6] |
FMN |
EMS-Tac |
155.505 | KA5825 |
M |
CSQ |
ISP VHF MX CSQ |
Mobile Extenders to SC21 |
FMN |
Law Dispatch |
155.505 | KA5825 |
M |
293 NAC |
ISP VHF MX N293 |
Mobile Extenders to SC21 (NAC varies per car) |
P25 |
Law Dispatch |
173.075 | WNVD283 |
BM |
|
ISP Lo-Jac |
Lo Jac / Forensic Services (Metro Chicago) |
Telm |
Data |
Troop 1 - Rockford
Jo Daviess, Stephenson, Winnebago, Carroll, Ogle, Whiteside and Lee Counties.
Troop 1 is now patrolling I-88 in Lee and Ogle Counties as well as I-90 in Winnebago County. Both tollways were formerly patrolled by Troop 15. (1/7/24)
Troop 2 - Moline
Rock Island, Mercer, Henry, Bureau, Putnam and LaSalle Counties.
Troop 3 - Chicago
Cook, McHenry, Lake, DeKalb, Kane, DuPage, Kendall, Will, Grundy, and Boone Counties.
Troop 3 will be assuming responsibility for patrolling the portions of tollways I-88, I-90, I-294, I-355 and I-390 in their jurisdiction that were formerly patrolled by Troop 15. (1/7/24)
STARCOM21 usage: See the wiki for more information.
Troop 4 - Peoria
Knox, Stark, Marshall, Peoria, Woodford, Tazewell, Henderson, Warren, Hancock, McDonough, and Fulton Counties.
Troop 5 - Bloomington
Livingston, McLean, Dewitt, Kankakee, Ford, and Iroquois Counties.
Troop 6 - Springfield
Adams, Schuyler, Brown, Pike, Scott, Mason, Logan, Cass, Menard, Morgan, Sangamon, and Christian Counties.
Troop 7 - Champaign
Macon, Piatt, Champain, Vermillion, Shelby, Moutlrie, Douglas, Coles and Edgar Counties.
Troop 8 - Collinsville (Metro East)
Calhoun, Greene, Jersey, Macoupin, Montgomery, Madison, Bond, St. Clair, Clinton, Monroe and Washington Counties.
155.37 CSQ, Point-to-Point is used for communications with agencies in St Louis MO area (unsure if still used by ISP Troop 8)
ISPERN talkgroup appears to repeat mobile units using TX D156 or 67.0 PL, but not CSQ (6/24) [When acitivated by dispatch] (Base on 155.475 appears to be CSQ as to not feed back into patch]
700 MHz mobile extenders are no longer be in use, as portable radios are now using VHF-to-700/800 (155.505/151.16 in some areas for MX)
STARCOM21 Statewide Illinois Project 25 Phase II | Troop 8 dispatchers can communicate with Madison County PSAPs on talkgroup 7323, or with St Clair County PSAPs on talkgroup 7006 |
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
155.505 | KA5825 |
M |
132 NAC |
ISP VHF MX N132 |
Mobile Extenders-to-SC21 |
P25 |
Law Dispatch |
Troop 9 - Effingham
Cumberland, Clark, Fayette, Effingham, Jasper, Crawford, Marion, Clay, Richland, Lawrence, Wayne, Edwards, Wabash, Hamilton, and White Counties.
Troop 10 - Carbondale
Jefferson, Randolph, Perry, Franklin, Jackson, Williamson, Saline, Gallatin, Union, Johnson, Pope, Hardin, Alexander, Pulaski and Massac Counties.
Troop 15 - Tollway (Downers Grove)
Former District 15 - Tollway (Downers Grove).
Troop 15 is in the process of disbanding. State Police tollway patrols will be taken over by Troops 1 and 3. (1/7/24)
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
154.695 | KSB989 |
BM |
|
ISP D15 A2 |
District 2 (A2) |
FMN |
Law Talk |
154.935 | KSB242 |
BM |
|
ISP D15 A3 |
District 3 (A3) |
FMN |
Law Talk |
154.680 | KSB233 |
BM |
|
ISP D15 A4 |
District 4 (A4) |
FMN |
Law Talk |
154.920 | KA5825 |
BM |
|
ISP D15 A5 |
District 5 (A5) |
FMN |
Law Tac |
155.520 | |
BM |
|
ISP D15 A6 |
District 16 (A-6) [No License] |
FMN |
Law Tac |
154.650 | KA5825 |
M |
754 DPL |
ISP D15c2cB4 |
Car-to-Car (B4) |
FMN |
Law Tac |
Department of Criminal Investigations - DCI
STARCOM21 Statewide Illinois Project 25 Phase II | Most communications are on encrypted talkgroups. Dispatch will be heard on District talkgroups. VHF use is very limited. |
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
154.905 | KA5825 |
M |
CSQ |
ISP DCI HF-2 |
Operations [HF-2] |
FMN |
Law Tac |
154.950 | KA5825 |
M |
CSQ |
ISP DCI HF-3 |
Operations [HF-3] |
FMN |
Law Tac |
154.710 | KA5825 |
M |
CSQ |
ISP DCI 4.71 |
Operations |
FMN |
Law Tac |
154.920 | KA5825 |
M |
CSQ |
ISP DCI 4.92 |
Operations |
FMN |
Law Tac |
(Former) District 1 - Sterling
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.16875 | WPTZ798 |
M |
155 DPL |
ISP D1 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.16875 | WPTZ798 |
M |
412 DPL |
ISP D1 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.680 | KA5825 |
M |
110.9 PL |
ISP D1 HF2M |
Dispatch: Mobiles-to-Base (Old) |
FMN |
Law Dispatch |
154.680 | KSA774 |
B |
67.0 PL |
ISP D1 HF2B |
Dispatch: Base-to-Mobiles (Old) |
FMN |
Law Dispatch |
(Former) District 2 - Elgin
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.19375 | WPTZ798 |
M |
156 DPL |
ISP D2 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.19375 | WPTZ798 |
M |
412 DPL |
ISP D2 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.695 | KSB233 |
B |
67.0 PL |
ISP D2 HF-2B |
Dispatch: Base-to-Mobiles / Scales |
FMN |
Law Dispatch |
154.695 | KA5825 |
M |
110.9 PL |
ISP D2 HF-2M |
Dispatch: Mobiles-to-Base / Scales |
FMN |
Law Dispatch |
(Former) District Chicago
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.19375 | WPTZ798 |
M |
156 DPL |
ISP DCh MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.19375 | WPTZ798 |
M |
412 DPL |
ISP DCh MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.935 | KSB242 |
BM |
|
ISP DCh HF-2 |
Special Details/Alternate/Back-up |
FMN |
Law Tac |
155.460 | KSB231 |
BM |
CSQ |
ISP S/W HF-4 |
Car-to-Car / contact with District 15-Tollways |
FMN |
Law Tac |
(Former) District 5 - Joliet
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.21875 | WPTZ798 |
M |
162 DPL |
ISP D5 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.21875 | WPTZ798 |
M |
413 DPL |
ISP D5 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.920 | KSB230 |
BM |
CSQ |
ISP D5 HF-2 |
Dispatch (Old) |
FMN |
Law Dispatch |
(Former) District 6 - Pontiac
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.16875 | WPTZ798 |
M |
155 DPL |
ISP D6 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.16875 | WPTZ798 |
M |
412 DPL |
ISP D6 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.680 | KSA776 |
BM |
CSQ |
ISP D6 HF-2 |
Dispatch (Old) |
FMN |
Law Dispatch |
(Former) District 7 - East Moline
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.21875 | WPTZ798 |
M |
162 DPL |
ISP D7 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.21875 | WPTZ798 |
M |
413 DPL |
ISP D7 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.845 | KSB229 |
B |
67.0 PL |
ISPD7 HF-2B |
Dispatch: Base-to-Mobiles (Old) |
FMN |
Law Dispatch |
(Former) District 8 - Peoria
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.19375 | WPTZ798 |
M |
156 DPL |
ISP D8 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.19375 | WPTZ798 |
M |
412 DPL |
ISP D8 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
155.520 | KSB228 |
B |
205 DPL |
ISP D8 HF2B |
District 8: Alerts / Broadcasts |
FMN |
Law Dispatch |
(Former) District 9 - Springfield
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.21875 | WPTZ798 |
M |
162 DPL |
ISP D9 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.21875 | WPTZ798 |
M |
413 DPL |
ISP D9 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.935 | KNNU245 |
BM |
223 DPL |
ISP D9 Alerts |
District 9: Alerts / Broadcasts |
FMN |
Law Dispatch |
154.650 | KA5825 |
M |
754 DPL |
ISP D9 Mob |
Mobile Units (12/16) |
FMN |
Law Tac |
156.000 | KS3183 |
M |
CSQ |
ISP D9 U2U |
Unit-to-Unit (licensed only to ISP District 9) |
FMN |
Law Tac |
460.350 | WQIG495 |
RM |
151.4 PL |
ISPHQ Maint |
ISP Headquarters - Building Maintenance (801 S Seventh - Spfld) |
FMN |
Public Works |
460.450 | WQIG495 |
RM |
071 DPL |
ISPHQ Clean |
ISP Headquarters - Maintenance / Janitorial (801 S Seventh - Spfld) |
FMN |
Public Works |
857.7375 | WNMF342 |
B |
82.5 PL |
ICJIA Data |
ICJIA Data |
FM |
Data |
(Former) District 10 - Pesotum
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.46875 | WPTZ798 |
M |
165 DPL |
ISP D10 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.46875 | WPTZ798 |
M |
423 DPL |
ISP D10 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.695 | KSA464 |
B |
251 DPL |
ISP D10 HFB2 |
Dispatch: Champaign/Urbana area (no 67.0 PL as of 9/10) |
FMN |
Law Dispatch |
(Former) District 11 - Collinsville
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.21875 | WPTZ798 |
M |
162 DPL |
ISP D11 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.21875 | WPTZ798 |
M |
413 DPL |
ISP D11 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.665 | KSB235 |
B |
306 DPL |
ISP D11 Alert |
District 11: Alerts / Broadcasts (in use 4/21) |
FMN |
Law Dispatch |
155.370 | KSB235 |
B |
CSQ |
ISP Pt-to-Pt |
Point-to-Point {Link to St Louis / MO State} |
FMN |
Law Talk |
155.055 | KSB235 |
B |
67.0 PL |
IREACH 67.0 |
Illinois Radio Emergency Assistance Channel (Patched to D11 SC21 Talkgroup) |
FMN |
Interop |
775.85625 | WPTZ798 |
M |
61F NAC |
7TAC89 61F |
Operations (heard Madison Co) |
P25 |
Law Tac |
(Former) District 12 - Effingham
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.19375 | WPTZ798 |
M |
156 DPL |
ISP D12 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.19375 | WPTZ798 |
M |
412 DPL |
ISP D12 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.680 | KSB236 |
B |
315 DPL |
ISP D12 HF2A |
District 12: Alerts / Broadcasts (in use 6/14) |
FMN |
Law Dispatch |
154.680 | KSB236 |
B |
412 DPL |
ISP D12 HF2B |
District 12: Alerts / Broadcasts (still in use?) |
FMN |
Law Dispatch |
(Former) District 13 - DuQuoin
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
155.505 | KA5825 |
M |
173 NAC |
ISP D13 VHF MX |
Mobile Extenders (to SC21) |
P25 |
Law Dispatch |
764.46875 | WPTZ798 |
M |
165 DPL |
ISP D13 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.46875 | WPTZ798 |
M |
423 DPL |
ISP D13 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.935 | KSB234 |
B |
371 DPL |
ISP D13 Alert |
District 13: Alerts / Broadcasts [HF-2] (was D413) |
FMN |
Law Dispatch |
855.4625 | WQCP383 |
BM |
|
ICJIA DataDQ |
Illinois Criminal Justice Information Authority: Alerts Network (CSQ; 7/15) |
Telm |
Data |
(Former) District 14 - Macomb
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.16875 | WPTZ798 |
M |
155 DPL |
ISP D14 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.16875 | WPTZ798 |
M |
412 DPL |
ISP D14 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.695 | KSA775 |
B |
411 DPL |
ISP D14 HF2B |
Alerts / Broadcasts |
FMN |
Law Dispatch |
(Former) District 16 - Rockford
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.21875 | WPTZ798 |
M |
162 DPL |
ISP D16 MX-O |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.21875 | WPTZ798 |
M |
413 DPL |
ISP D16 MX-I |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
155.520 | KSF947 |
BM |
110.9 PL |
ISP D16 HF2 |
Dispatch [HF-2] (Old) |
FMN |
Law Dispatch |
(Former) District 17 - LaSalle
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.46875 | WPTZ798 |
M |
165 DPL |
ISP D17 MX-O |
Vehicular Repeater - Out (to SC21) |
FMN |
Law Dispatch |
794.46875 | WPTZ798 |
M |
423 DPL |
ISP D17 MX-I |
Vehicular Repeater - In (to SC21) |
FMN |
Law Dispatch |
155.460 | KEO371 |
BM |
67.0 PL |
ISP D17 HF4 67.0 |
HF-4 (back-up to Starcom) |
FMN |
Law Dispatch |
155.445 | KEO371 |
BM |
|
ISP D17 Alert |
Alerts / Broadcasts (D662/D701?) |
FMN |
Law Dispatch |
(Former) District 18 - Litchfield
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.16875 | WPTZ798 |
M |
155 DPL |
ISP D18 MX-Out |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.16875 | WPTZ798 |
M |
412 DPL |
ISP D18 MX-In |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
155.445 | WQEP339 |
BM |
516 DPL |
ISP D18 HF-2 |
Back-Up to STARCOM21 [HF-2] |
FMN |
Law Dispatch |
151.160 | KA2864 |
M |
204 NAC |
ISP D18 DVRS A |
Mobile Extenders (to SC21) |
P25 |
Law Dispatch |
151.160 | KA2864 |
M |
240 NAC |
ISP D18 DVRS B |
Mobile Extenders (to SC21) (Scale) |
P25 |
Law Dispatch |
953.950 | WQAX857 |
F |
|
ISP D18 MW BvrDm |
Microwave Link (Nilwood to Beaver Dam) |
Telm |
Data |
957.550 | WQAX855 |
F |
|
ISP D18 MW Nilwd |
Microwave Link (Beaver Dam to Nilwood) |
Telm |
Data |
(Former) District 19 - Carmi
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.16875 | WPTZ798 |
M |
155 DPL |
ISP D19 MX-Out |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.16875 | WPTZ798 |
M |
412 DPL |
ISP D19 MX-In |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.920 | KSI983 |
B |
624 DPL |
ISP D19 HF-2 |
Alerts / Back-Up to SC21 |
FMN |
Law Dispatch |
(Former) District 20 - Pittsfield
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.19375 | WPTZ798 |
M |
156 DPL |
ISP D20 MX-Out |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.19375 | WPTZ798 |
M |
412 DPL |
ISP D20 MX-In |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.680 | KGY335 |
B |
662 DPL |
ISP D20 HF-2 |
District 20: Alerts / Broadcasts |
FMN |
Law Dispatch |
(Former) District 21 - Ashkum
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.19375 | WPTZ798 |
M |
156 DPL |
ISP D21 MX-Out |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.19375 | WPTZ798 |
M |
412 DPL |
ISP D21 MX-In |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
(Former) District 22 - Ullin
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
764.21875 | WPTZ798 |
M |
162 DPL |
ISP D22 MX-Out |
Vehicular Repeater/Mobile Extender - Out (to SC21) |
FMN |
Law Dispatch |
794.21875 | WPTZ798 |
M |
413 DPL |
ISP D22 MX-In |
Vehicular Repeater/Mobile Extender - In (to SC21) |
FMN |
Law Dispatch |
154.680 | KSG291 |
BM |
754 DPL |
ISP D22 HF-2 |
District 22: Alerts / Broadcasts |
FMN |
Law Dispatch |
(Former) District 25 - TRT - Tactical Response Team
Illinois Public Safety Agency Network
formerly licensed as Illinois Criminal Justice Information Authority
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
857.7375 | WQME309 |
RM |
|
IPSAN Flora |
Mobile Terminal Data - Flora (Clay) (CW-ID) |
Telm |
Data |
859.7625 | WQME309 |
RM |
|
IPSAN Lakewd |
Mobile Terminal Data - Lakewood (Shelby) |
Telm |
Data |
855.4625 | WQCP383 |
RM |
|
IPSAN Marion |
Mobile Terminal Data - Marion (Jefferson) |
Telm |
Data |
858.4625 | WQME309 |
RM |
|
IPSAN Newton |
Mobile Terminal Data - Newton (Jasper) |
Telm |
Data |
857.7375 | WNXS419 |
RM |
|
IPSAN Pesotm |
Mobile Terminal Data - Pesotum (Champaign) |
Telm |
Data |
856.0625 | WQME309 |
RM |
|
IPSAN Rochel |
Mobile Terminal Data - Rochelle (Ogle) |
Telm |
Data |
855.9625 | WPMF678 |
RM |
|
ISPAN Danvil |
Mobile Terminal Data - Danville (Vermilion) |
Telm |
Data |