System Name: United Airlines DT3
Location: Various, CA CO IL TX
County: 4 Counties
System Type: DMR Tier 3 Capacity Max
System Voice: DMR
System ID: HEX: L1 DEC: L1
Last Updated: April 19, 2024, 12:26 pm CDT   [Changed Talkgroup Category: O'Hare (ORD) to O'Hare International Airport (ORD)]
System Notes

This is United Airlines DMR Tier III system L1.

United Airlines DMR Tier III system L1 is Chicago-O'Hare (Cook County, IL): United Airlines (Tier 3) Trunking System, Various, Illinois (radioreference.com)
WILL BE MERGING into this system 4/19/24

These two systems are replacing the United Airlines CONNECT+ system: United Airlines Trunking System, Various, Multi-State (radioreference.com)

LAX site L1-12 is currently not carrying any radio traffic; it is only transmitting the 859.0875 MHz control channel.

For Uniden radio users, you will need an HP or SDS radio to monitor the 7-digit TGIDs.  A Uniden P2 radio will not recognize / process the 7-digit TGIDs.

Sites and Frequencies

Red (c) are control channel capable frequencies
Site Name County Freqs
001 (1) L1-1 Los Angeles (LAX 935) Los Angeles, CA 935.2375c938.250938.6375938.650938.6625938.675 
003 (3) L1-3 Denver (DEN) Denver, CO 854.8375c855.3375856.8125857.8875858.9125859.8875860.8125
004 (4) L1-4 Denver (DEN) Denver, CO 856.8875858.7875858.8875c860.8875860.9125  
012 (C) L1-12 Los Angeles (LAX 854) Los Angeles, CA 854.0875854.7125857.3375859.0875c859.3375860.6875 
013 (D) L1-13 Houston (IAH West) Harris, TX 937.1375c937.6375937.6625937.6875938.1875861.0875861.2375
   861.5375      
014 (E) L1-14 Houston (IAH East) Harris, TX 936.900c937.1625937.650937.675937.900861.6875861.8375

Talkgroups

Bush Intercontinental Airport / Houston (IAH)
DEC Mode Alpha TagDescriptionTag
4240111TIAH Baggage 111BaggageBusiness
4240115TIAH Baggage 115BaggageBusiness
4240118TIAH Baggage 118BaggageBusiness
4240123TIAH Baggage CtrlBaggage Control CenterBusiness
4240131TIAH LineMx SouthLine Maintenance - SouthBusiness
4240147TIAH Water/LavSvcPotable water and lavatory serviceBusiness
4240159TIAH Catering CDECatering - Terminals C/D/EBusiness
4240160TIAH Catering A/BCatering - Terminals A/BBusiness
4240185TIAH Baggage 185BaggageBusiness
4240194TIAH Baggage 194BaggageSecurity
4240197TIAH C SouthRamp/Gate Agents - Terminal C SouthBusiness
4240200TIAH E WestRamp/Gate Agents - Terminal E WestBusiness
4240201TIAH E EastRamp/Gate Agents - Terminal E EastBusiness
4240202TIAH C North/DRamp/Gate Agents - Terminal C North, Terminal DBusiness
4240203TIAH A/B NorthRamp/Gate Agents - Terminal A, Terminal B NorthBusiness
Denver International Airport (DEN)
DEC Mode Alpha TagDescriptionTag
3360103TDenver 3360103UAL Denver 3360103Business
3360107TDenver 3360107UAL Denver 3360107Business
3360108TDenver 3360108UAL Denver 3360108Business
3360110TDenver 3360110UAL Denver 3360110Business
3360112TDenver 3360112UAL Denver 3360112Business
3360113TDenver 3360113UAL Denver 3360113Business
3360114TDenver 3360114UAL Denver 3360114Business
3360115TDenver 3360115UAL Denver Ramp 3360115Business
3360116TDenver 3360116UAL Denver 3360116Business
3360117TDenver 3360117UAL Denver 3360117Business
3360118TDenver 3360118UAL Denver 3360118Business
3360119TDenver 3360119UAL Denver CustServ 3360119Business
3360120TDenver 3360120UAL Denver 3360120Business
3360121TDenver 3360121UAL Denver 3360121Business
3360124TDenver 3360124UAL Denver 3360124Business
3360126TDenver 3360126UAL Denver 3360126Business
3360128TDenver 3360128UAL Denver 3360128Business
3360132TDenver 3360132UAL Denver Baggage 3360132Business
3360133TDenver 3360133UAL Denver 3360133Business
3360139TDenver 3360139UAL Denver 3360139Business
3360140TDenver 3360140UAL Denver Fueling 3360140Business
3360141TDenver 3360141UAL Denver 3360141Business
3360142TDenver 3360142UAL Denver 3360142Business
3360154TDenver 3360154UAL Denver 3360154Business
3360157TDenver 3360157UAL Denver 3360157Business
3360158TDenver 3360158UAL Denver 3360158Business
3360159TDenver 3360159UAL Denver Fueling 3360159Business
3360160TDenver 3360160UAL Denver 3360160Business
3360163TDenver 3360163UAL Denver 3360163Business
3360165TDenver 3360165UAL Denver 3360165Business
3360166TDenver 3360166UAL Denver 3360166Business
3360167TDenver 3360167UAL Denver 3360167Business
3360168TDenver 3360168UAL Denver 3360168Business
3360169TDenver 3360169UAL Denver 3360169Business
3360170TDenver 3360170UAL Denver Baggage 3360170Business
3360171TDenver 3360171UAL Denver 3360171Business
3360172TDenver 3360172UAL Denver 3360172Business
3360174TDenver 3360174UAL Denver 3360174Business
3360175TDenver 3360175UAL Denver 3360175Business
3360176TDenver 3360176UAL Denver 3360176Business
3360177TDenver 3360177UAL Denver 3360177Business
3360178TDenver 3360178UAL Denver 3360178Business
3360179TDenver 3360179UAL Denver 3360179Business
3360181TDenver 3360181UAL Denver 3360181Business
3360186TDenver 3360186UAL Denver 3360186Business
3360187TDenver 3360187UAL Denver Hanger 3360187Business
3360189TDenver 3360189UAL Denver CustServ 3360189Business
3360192TDenver 3360192UAL Denver 3360192Business
3360197TDenver 3360197UAL Denver 3360197Business
3360198TDenver 3360198UAL Denver 3360198Business
3360199TDenver 3360199UAL Denver 3360199Business
3360201TDenver 3360201UAL Denver Zone-6 3360201Business
3360202TDenver 3360202UAL Denver 3360202Business
3360203TDenver 3360203UAL Denver 3360203Business
3360205TDenver 3360205UAL Denver 3360205Business
3360206TDenver 3360206UAL Denver 3360206Business
3360207TDenver 3360207UAL Denver 3360207Business
3360208TDenver 3360208UAL Denver Maint 3360208Business
3360210TDenver 3360210UAL Denver 3360210Business
3360211TDenver 3360211UAL Denver 3360211Business
3360214TDenver 3360214UAL Denver 3360214Business
3360215TDenver 3360215UAL Denver 3360215Business
3360220TDenver 3360220UAL Denver Mechanics 3360220Business
3360221TDenver 3360221UAL Denver 3360221Business
3360223TDenver 3360223UAL Denver 3360223Business
3360224TDenver 3360224UAL Denver 3360224Business
3360225TDenver 3360225UAL Denver 3360225Business
Los Angeles International Airport (LAX)
DEC Mode Alpha TagDescriptionTag
5290001TINTLInternational Customs ArrivalsBusiness
5290002TCABIN SVCCabin Service CleanersBusiness
5290003TCARGOCargo and MailBusiness
5290005T52900055290005Business
5290006T52900065290006Business
5290008TFACILITIESFacilities MaintenanceBusiness
5290012TGSEGround Service Equipment MaintenanceBusiness
5290014TCS LOBBYCustomer Service LobbyBusiness
5290016TTOW TEAMAircraft Tow TeamBusiness
5290024T52900245290024Business
5290025TTECH OPS TERMAircraft Maintenance - TerminalBusiness
5290027TTECH OPS WESTAircraft Maintenance - West HangarBusiness
5290028TAOG STORESAircraft Maintenance StoresBusiness
5290029TRAMPRamp ServicesBusiness
5290030TRAMPRamp ServicesBusiness
5290033TBAG XFERTransfer Bag RunnerBusiness
5290034T52900345290034Business
5290035T52900355290035Business
5290036T52900365290036Business
5290037TBCCBagroom Control CenterBusiness
5290041T52900415290041Business
5290059TTECH OPS HGRAircraft Maintenance - HangarBusiness
5290061TTECH OPS HGRAircraft Maintenance - HangarBusiness
5290064TZONE 1Zone 1 Gates - Ramp and Customer ServiceBusiness
5290065TZONE 2Zone 2 Gates - Ramp and Customer ServiceBusiness
5290066TZONE 3Zone 3 Gates - Ramp and Customer ServiceBusiness
5290070TTECH OPS INSPAircraft Maintenance - InspectionBusiness
5290073T5290073United LAXBusiness
O'Hare International Airport (ORD)
DEC Mode Alpha TagDescriptionTag
6730101TORD Zone 1Ramp: Gates B 1-9?Business
6730102TORD Zone 2Ramp: Gates B 11-23?Business
6730104TORD Zone 4Ramp: E Gates?Business
6730105TORD Zone 5Ramp: C Even Gates?Business
6730106TORD Zone 6Ramp: C Odd Gates?Business
6730110TORD Bag Match?Bag Match?Business
6730111TORD Zone 11?Ramp: F GatesBusiness
6730112TORD Zone 12Ramp: E/F GatesBusiness
6730122TORD Baggage 122Baggage OperationsBusiness
6730123TORD Baggage 123Baggage OperationsBusiness
6730125TORD Bag RunnersBag RunnersBusiness
6730132TORD Deicing T1&2Deicing: Terminals 1 and 2Business
6730133TORD Deicing PadDeicing Pad OperationsBusiness
6730136TORD AcftMove OpsAircraft Move TeamsBusiness
6730139TORD Cust Svc T1Customer Service: Terminal 1Business
6730140TORD Cust Svc T2Customer Service: Terminal 2Business
6730141TORD Cust Svc T5Customer Service: Terminal 5Business
6730142TORD CustSvcLobbyCustomer Service: LobbyBusiness
6730152TORD BGates MechsB Gates Aircraft Mechanics/AvionicsBusiness
6730153TORD CGates MechsC Gates Aircraft Mechanics/AvionicsBusiness
6730157TORD OrderControlOrder Control, AOG DriversBusiness
6730160TORD Ops 6730160Operations: Terminal 5Business
6730162TORD BHS MaintBaggage Handling System MaintenanceBusiness
6730164TORD Terminal MxTerminal Maintenance (Jet Bridges, etc.)Business
6730165TORD Facility MxFacility MaintenanceBusiness
6730172TORD GSE MaintGround Service Equipment MaintenanceBusiness
6730180TORD Cargo OpsCargo OperationsBusiness
6730196TOrd Ops 6730196OperationsBusiness
6730198TORD Mobility OpsWheelchairs, E-CartsBusiness
6730206TORD Shuttle BusShuttle BusesBusiness
6730218TORD Ops 6730218OperationsBusiness
6730220TORD Deice 5Operations: Deice 5Business