1. RRDB
  2. TRS
  3. ComEd

ComEd

System Name: ComEd
Location: Northern IL, IL
County: 19 Counties
System Type: Project 25 Phase I
System Voice: APCO-25 Common Air Interface Exclusive
System ID: Sysid: 496 WACN: BEE00
Last Updated: February 13, 2026, 21:20 pm UTC   [Updated System Description Text]
System Notes
This system is in the process of moving from 900 MHz (Sites 1-17) to 800 MHz (Sites 18-34).  This change has been granted extended implementation status by the FCC and isn't expecteded to be fully completed until the end of 2026. 
It appears that this system is encrypted full time. Note 2/25 - some non-encrypted comms have been reported. 
Bandplan #0: Base=851.00625 Offset=-45 Spacing=6.25 BW=12.5
Bandplan #4: Base=935.0125 Offset=-39 Spacing=12.5 BW=12.5
Pro96com: 935.0125  .0175  -39.00 offset .00625
WNUT739 - Statewide - 4780 Mobiles, 150 FX1
ZionSolutions (the company decommissioning the Zion nuclear power plant) has an associated call sign of WQML856 linked to WNUT739
The FCC has licensed four frequencies (813.8375, 816.5375, 858.8375 and 861.5375, NFM and P25) to ComEd for mobile-to-mobile talk-around use where "system gaps exist". (1/26)

Sites and Frequencies

FCC Callsigns Map Site Locations Report
Key:###.####Ctrl control channel
RFSSSiteNACNameCountyFrequencies
1 (1)001 (1)491DuPage/Kane/Kendall SimulcastDuPage
6 freqs · 4 control
937.9125Ctrl937.9625Ctrl937.975Ctrl937.9875Ctrl936.475937.900
1 (1)003 (3)493Lake/McHenry County SimulcastLake
5 freqs · 5 control
935.400Ctrl935.4125Ctrl935.425Ctrl935.4375Ctrl936.4875Ctrl
1 (1)004 (4)494KentJo Daviess
4 freqs · 2 control
937.9375Ctrl937.950Ctrl935.450937.925
1 (1)005 (5)495Seward Winnebago
5 freqs · 4 control
936.400Ctrl936.650Ctrl937.4875Ctrl939.6875Ctrl936.3875
1 (1)006 (6)—MorrisonWhiteside
1 freqs · 1 control
937.9125Ctrl
1 (1)007 (7)497ComptonLee
4 freqs · 3 control
938.250Ctrl939.6625Ctrl939.675Ctrl936.250
1 (1)008 (8)498DeKalbDeKalb
3 freqs · 3 control
935.450Ctrl937.4625Ctrl937.475Ctrl
1 (1)009 (9)499 ManvilleLivingston
4 freqs · 3 control
938.8875Ctrl938.900Ctrl938.9125Ctrl936.4625
1 (1)010 (A)49ADresden Power Plant (Coal City)Grundy
5 freqs · 4 control
936.950Ctrl938.7125Ctrl938.925Ctrl938.9375Ctrl936.3875
1 (1)011 (B)—Bourbonnais Kankakee
6 freqs · 3 control
937.450Ctrl937.4625Ctrl937.475Ctrl936.975937.175937.8875
1 (1)012 (C)49CHomer GlenWill
5 freqs · 4 control
936.650Ctrl937.4875Ctrl937.6625Ctrl939.6875Ctrl936.400
1 (1)013 (D)49CCreteWill
3 freqs · 3 control
938.250Ctrl939.6625Ctrl939.675Ctrl
1 (1)014 (E)49D CampusLivingston
3 freqs · 3 control
937.9625Ctrl937.975Ctrl937.9875Ctrl
1 (1)015 (F)—Rock Falls Whiteside
4 freqs · 1 control
938.7375Ctrl935.400935.4125938.3875
1 (1)016 (10)49FMt. MorrisOgle
3 freqs · 3 control
935.750Ctrl936.500Ctrl937.150Ctrl
1 (1)017 (11)496Loves ParkWinnebago
5 freqs · 2 control
937.4125Ctrl938.7125Ctrl937.3875937.400937.6625
1 (1)018 (12)498DuPage/Kane/Kendall SimulcastDuPage
7 freqs · 5 control
854.7625Ctrl855.0625Ctrl856.4625Ctrl856.7875Ctrl861.0875Ctrl861.3375861.7375
1 (1)019 (13)499Cook County SimulcastCook
7 freqs · 4 control
855.0125Ctrl857.8625Ctrl860.7875Ctrl861.2625Ctrl855.2625860.3625861.0125
1 (1)020 (14)490Lake/McHenry SimulcastLake
7 freqs · 4 control
854.4875Ctrl854.6375Ctrl855.1875Ctrl855.3375Ctrl854.3625855.7875861.8875
1 (1)021 (15)491KentJo Daviess
4 freqs · 4 control
854.7375Ctrl857.3125Ctrl858.3625Ctrl861.9375Ctrl
1 (1)022 (16)492SewardWinnebago
5 freqs · 4 control
854.0375Ctrl854.3375Ctrl855.6375Ctrl859.8125Ctrl861.9625
1 (1)023 (17)493MorrisonWhiteside
4 freqs · 4 control
854.2375Ctrl856.2875Ctrl856.9125Ctrl859.3375Ctrl
1 (1)024 (18)494ComptonLee
4 freqs · 4 control
855.3875Ctrl855.5875Ctrl855.8375Ctrl860.3875Ctrl
1 (1)025 (19)495DeKalbDeKalb
4 freqs · 3 control
854.5625Ctrl859.3875Ctrl859.9125Ctrl861.9125
1 (1)026 (1A)496ManvilleLivingston
4 freqs · 4 control
854.2625Ctrl861.6375Ctrl861.8125Ctrl861.9875Ctrl
1 (1)027 (1B)497Dresden Power Plant (Coal City)Grundy
5 freqs · 4 control
861.0625Ctrl861.2375Ctrl861.4125Ctrl861.5625Ctrl861.7625
1 (1)028 (1C)—BourbonnaisKankakee
4 freqs · 2 control
861.2125Ctrl861.3625Ctrl861.5125861.6625
1 (1)029 (1D)499Homer GlenCook
5 freqs · 4 control
855.8875Ctrl861.1875Ctrl861.4375Ctrl861.5875Ctrl861.8375
1 (1)030 (1E)—CreteWill
4 freqs · 1 control
861.1625Ctrl861.3125861.7125861.8625
1 (1)031 (1F)491CampusLivingston
4 freqs · 4 control
854.3875Ctrl854.7875Ctrl855.3125Ctrl861.3875Ctrl
1 (1)032 (20)49ARock FallsLee
4 freqs · 4 control
854.0625Ctrl854.3125Ctrl854.7125Ctrl860.3375Ctrl
1 (1)033 (21)49DMt. MorrisOgle
4 freqs · 4 control
854.2125Ctrl856.3625Ctrl857.3625Ctrl861.1375Ctrl
1 (1)034 (22)494Loves ParkWinnebago
5 freqs · 4 control
854.1625Ctrl856.4125Ctrl859.2875Ctrl861.0375Ctrl861.4625

Talkgroups

Talkgroup Category Report
Key:Enc full encryption
All
DEC HEX Mode Alpha TagDescriptionTag
20217e5D EncAuroraAuroraUtilities
20367f4D EncCrystal LakeCrystal LakeUtilities
2052804D EncDeKalbDeKalbUtilities
2068814D EncDixonDixonUtilities
2084824D EncElginElginUtilities
2100834D EncFreeportFreeportUtilities
2116844D EncRockfordRockfordUtilities
2134856D EncBolingbrookBolingbrookUtilities
2150866D EncCrestwoodCrestwoodUtilities
2166876D EncCook Ops 2166Operations 2166Utilities
2182886D EncJolietJolietUtilities
2198896D EncCE Ops 2198Operations 2198Utilities
22148a6D EncUniversity ParkUniversity ParkUtilities
22318b7D EncGlenbardGlenbardUtilities
22478c7D EncLibertyvilleLibertyvilleUtilities
22508caD EncLibertyville 3Libertyville 3Utilities
22638d7D EncMt ProspectMount ProspectUtilities
22798e7D EncHighland ParkHighland ParkUtilities
22968f8D EncMaywoodMaywoodUtilities
22978f9D EncMaywood 2Maywood 2Utilities
2328918D EncCook Ops 2328Operations 2328Utilities
24669a2DCE Ops 2466Operations 2466Utilities