1. RRDB
  2. TRS
  3. Mobile Relay Associates Diga-Talk Network

Mobile Relay Associates Diga-Talk Network

System Name: Mobile Relay Associates Diga-Talk Network
Location: Multiple, AZ CA NV UT
County: 19 Counties
System Type: NXDN NEXEDGE 4800
System Voice: NXDN Digital
System ID: HEX: R1F DEC: R31
Last Updated: November 4, 2025, 02:31 am UTC   [Updated 1 talkgroups for California Talkgroups]
System Notes

This is a Direct Frequency Assignment (DFA) NXDN system.  It does not rely on the frequency LCN values.  LCN values of 0 are acceptable entries.
FCC Callsigns Map Site Locations Report

Sites and Frequencies

Red (c) are control channel capable frequencies
Site Name County Freqs
001 (1) Santiago Peak Orange, CA 451.8625452.000454.450454.453125454.45625454.49375454.503125c
   454.6125454.615625454.61875462.5375463.625464.100464.7375
   506.325506.350506.575506.650507.600507.850508.100
   508.450508.675508.700508.825   
002 (2) Mt. Lukens Los Angeles, CA 454.11875454.121875454.125454.4875454.490625454.49375454.5875c
   454.590625470.700471.275471.300471.375472.175472.9125
   472.93125506.475507.325507.425507.550507.675508.500
   508.525508.550508.725508.750   
003 (3) Palos Verdes Los Angeles, CA 454.13125454.45625c454.600c471.475472.350472.375507.83125
   507.93125507.94375     
004 (4) Sunset Ridge Los Angeles, CA 451.400454.1125454.115625470.975471.175471.400471.5875
   471.600c471.700471.750472.73125472.74375472.825 
005 (5) Saddle Peak Los Angeles, CA 451.9875454.0125454.13125454.134375454.290625454.29375454.30625c
   454.309375c454.3125454.51875461.000471.4875471.500471.550
   471.575471.58125     
006 (6) Heaps Peak San Bernardino, CA 452.3375454.0125454.140625454.159375c461.075461.4875461.8125
   463.800464.7375     
007 (7) Sierra Peak Riverside, CA 471.450471.6125471.675472.875507.4375507.8375c507.84375
   507.9375508.350     
008 (8) La Habra Los Angeles, CA 451.175452.175454.153125454.15625471.800472.275507.43125
   507.44375507.775508.425c508.475   
009 (9) South Mountain Ventura, CA 472.9875      
010 (A) Oat Mountain Los Angeles, CA 454.1625454.16875454.40625454.628125c471.200471.58125471.59375
   471.850472.225472.725472.94375   
011 (B) Hollywood Los Angeles, CA 471.47125471.48125471.49375472.250507.375507.875508.325c
   508.600508.900     
012 (C) Mid City Los Angeles, CA 451.009375451.0125451.015625451.950452.675454.175454.17875
   454.40625454.63125c     
013 (D) Lake Elsinore Riverside, CA 451.350452.850454.03125454.5875454.590625c  
014 (E) Palomar Mountain San Diego, CA 451.0125c454.07185454.075462.5375   
015 (F) Mt Woodson San Diego, CA 451.950452.150452.850454.065625454.440625c  
016 (10) Otay Mountain San Diego, CA 452.050452.800454.290625c454.309375   
017 (11) Paramount Los Angeles, CA 451.350451.575451.9125452.050452.575452.800454.03125c
   454.14375c      
018 (12) Site 18 Los Angeles, CA 454.603125c      
020 (14) Site 20 San Bernardino, CA 454.165625c      
021 (15) Quartzite Mountain San Bernardino, CA 451.275451.425452.050454.390625c462.250462.275462.325
   462.450463.275463.500464.950   
022 (16) Site 22 Imperial, CA 454.290625c      
024 (18) I-15 Rasor Road San Bernardino, CA 454.309375c      
026 (1A) San Sevaine Peak San Bernardino, CA 471.250471.3125471.375472.9875c   
027 (1B) Saddle Peak (Malibu) Los Angeles, CA 454.01575c472.23125     
028 (1C) Santa Ynez Santa Barbara, CA 454.30325c      
029 (1D) Crestline San Bernardino, CA 451.475462.7375c464.450461.950461.475  
030 (1E) Hyatt Manchester (Downtown San Diego) San Diego, CA 451.00625451.450452.000452.650454.190625c462.7375 
032 (20) Flash II (Barstow) San Bernardino, CA 451.1125462.53125c463.36875    
033 (21) Ridgecrest Kern, CA 454.146875c      
034 (22) Tejon Summit Los Angeles, CA 451.14375454.115625454.296875c454.596875   
035 (23) Rams Peak (Lake Havasu City) Mohave, AZ 452.025461.225461.6875c461.825461.975  
036 (24) Chuckwalla Mountain Riverside, CA 452.700c463.400463.83125    
037 (25) Indio Hill Riverside, CA 451.400451.550451.650c451.750452.200452.375452.500
   452.675452.875453.000    
038 (26) Ibex Peak San Bernardino, CA 451.350451.450451.500451.700451.925451.9875452.050
   452.100452.2625c452.350452.3625452.850  
039 (27) Christmas Tree Pass Clark, NV 451.021875c451.025451.028125451.253125461.500461.850462.146875
   462.150462.153125463.4625463.996875464.000464.003125 
045 (2D) Mt. Lukens 2 Los Angeles, CA 451.0125454.0125c454.1625454.20625462.7375463.425 
046 (2E) Morongo Casino Resort Imperial, CA 451.003125451.009375451.015625462.53125462.5375c462.7375 
047 (2F) Toro Peak Riverside, CA 451.09375452.700454.403125c462.54375   
048 (30) Saddle Peak 2 Los Angeles, CA 471.6875471.69375472.23125c472.800   
050 (32) Stovepipe Wells Inyo, CA 451.475451.700c451.925452.225452.700  
052 (34) Cuyamaca Peak San Diego, CA 454.209375c      
054 (36) Mazourka Peak Inyo, CA 460.975461.475462.175463.2125463.46875c463.46875463.50625
   463.55625      
061 (3D) Site 61 San Bernardino, CA 454.628125c      
062 (3E) Turquoise Mountain San Bernardino, CA 451.04375451.325451.400451.650461.725451.79375452.225
   452.975453.00625453.01875c464.9125   
063 (3F) Site 63 San Bernardino, CA 451.325451.725454.015625454.034375454.290625c454.303125454.596875
   454.634375      
065 (41) Site 65 Los Angeles, CA 460.925c      
067 (43) Copper Mountain (Twentynine Palms) San Bernardino, CA 451.475451.525451.550c451.650452.3375  
069 (45) Tecopa Peak San Bernardino, CA 461.4375461.9125463.600c463.7375464.5875  
097 (61) Frenchman Mountain Clark, NV 451.078125451.121875451.259375c451.265625451.478125451.528125451.715625
   452.9125      
098 (62) Potosi Mountain Clark, NV 451.015625451.071875c451.246875451.471875451.521875451.746875462.5375
   462.7375      
100 (64) Pilot Peak Mineral, NV 454.303125c      
101 (65) Utah Hill Washington, UT 451.584375c      
103 (67) Kimberly Mountain White Pine, NV 461.384375c      
105 (69) Cave Mountain White Pine, NV 461.434375c      
108 (6C) Hayden Peak Mohave, AZ 464.296875c      
112 (70) Robs Nob (Pahrump) Nye, NV 453.01875c      
113 (71) Alamo Mountain Lincoln, NV 451.996875c      
114 (72) Highland Peak Lincoln, NV 451.771875c      
115 (73) Mount Wilson Lincoln, NV 452.396875c      
116 (74) Coyote Springs Clark, NV 461.534375c      
117 (75) Ella Mountain Lincoln, NV 451.221875c      
118 (76) Clark Mountain San Bernardino, CA 454.296875c      
119 (77) Sawtooth Mountain Nye, NV 451.228125c      
120 (78) Brock Mountain (Tonopah) Nye, NV 451.446875c      
121 (79) Warm Springs Nye, NV 451.496875c      
122 (7A) Palmetto Mountain Esmeralda, NV 451.396875c      
123 (7B) Montezuma Peak Esmeralda, NV 451.321875c      
124 (7C) Miller Mountain Mineral, NV 451.346875c      
125 (7D) Angel Peak Clark, NV 460.996875c      
126 (7E) Bald Mountain Lincoln, NV 454.296875c      
Talkgroup Category Report

Talkgroups

California Talkgroups

Nevada Talkgroups are at the bottom of the page.

DEC Mode Alpha TagDescriptionTag
1DRADIO TECHSRadio TechsBusiness
3DAMBULANCE 3Ambulance - LA BasinEMS Dispatch
5DAMBULANCE 5Ambulance ALS - Hawthorne areaEMS Dispatch
15DTOW 15Towing - Pomona/Ontario areaBusiness
16DTOW 16Towing - Cerritos areaBusiness
19DTOW 19Towing - Mid City LABusiness
23DSECURITY 23Security Patrols - LA basinSecurity
31DSP TRANSPORTSP TransportationBusiness
32DTOW 32Towing - Gorman areaBusiness
34DTOW 34TowingBusiness
40DWHITTIER UNION 1Whittier Union School District Transportation DeptSchools
41DWHITTIER UNION 2Whittier Union School District Transportation DeptSchools
42DSC TRANSIT Santa Clarita Transit - Commuter Express ServiceTransportation
46DTOW 46Towing - OCBusiness
47DFOX 11 NEWSFox 11 LA NewsMedia
50DGTRANSGardena Municipal Bus LinesTransportation
51DGTRANSGardena Municipal Bus LinesTransportation
54DFIRSTMED AMBFirstmed AmbulanceEMS Dispatch
58DDTSDiversified Transportation Services TruckingTransportation
64DEDDIES TOWEddie's Towing - Thousand Oaks areaBusiness
67DTOW OPGTowing - LAPD OPG Swanney McDonald TowBusiness
69DTOW 69TowingBusiness
72DCEMENT 72Cement trucks - OCBusiness
73DTOW 73TowingBusiness
74DTOW 74TowingBusiness
75DALARM CO. 75Alarm Company - LA metroSecurity
76DPREMIER AMBPremier Medical TransportEMS Dispatch
77DSCHOOL BUS 77School Bus - Pasadena areaTransportation
83DAMB 83Ambulance - BLSEMS Dispatch
85DHATZALAH EMSHatzalah of Los AngelesEMS Dispatch
86DTRASH 86Dumpster Rental ServiceBusiness
87DNORWALK TRANSNorwark Transit SystemTransportation
92DNORWALK TRANSNorwark Transit SystemTransportation
97DTOW 97Towing - MidCity LABusiness
98DAMB BLS 98Ambulance BLS - LA BasinEMS Dispatch
104DCONCRETE 104Concrete DeliveryBusiness
107DLIBERTY AMBLiberty AmbulanceEMS Dispatch
112DGUARD 112Security Guard Service - Downey areaSecurity
114DEDCO WASTEEDCO Waste Disposal Trucks - Signal Hill baseBusiness
126DSBCUSD BUSSan Bernardino City Unified School District Transportation
128DSecurity 128Guard serviceSecurity
129DSECURITY 129Guard service - Gardena areaSecurity
138DTOW 138Towing - Irvine areaBusiness
141DSD MTSSan Diego Metropolitan Transit SystemTransportation
144DAMB 144Ambulance - BLS - Orange CountyEMS Dispatch
149DSPRAGUSSpragues Ready Mix - IrwindaleBusiness
150DSPRAGUSSpragues Ready Mix - Simi ValleyBusiness
153DSECURITY 153SecuritySecurity
155DSD MTSSan Diego Metropolitan Transit SystemTransportation
156DSD MTSSan Diego Metropolitan Transit SystemTransportation
157DSD MTSSan Diego Metropolitan Transit SystemTransportation
161DCATALINA CARTSCatalina Island Golf Cart RentalsBusiness
168DEDCO WASTEEDCO Waste Disposal Trucks - Buena Park baseBusiness
172DSECURITY 172Security - West Covina areaSecurity
173DTOW 173TowingBusiness
176DTC TRANSITTransportation Concepts - South Bay.Transportation
180DTOW 180Towing - El Monte areaBusiness
181DSCHOOLBUS 181School BusTransportation
183DTOW 183Towing - San BernardinoBusiness
185DTOW 185Towing - East LABusiness
186DSCHOOLBUS 186School Bus - Los Feliz / Central LA areaTransportation
187DFOOTHILL TRANSITFoothill Transit Transportation
190DFOOTHILL TRANSITFoothill TransitTransportation
196DTOW 196TowingBusiness
197DLANDSCAPELandscape Company - Palos Verdes/SouthBayBusiness
201DMEDIAMedia StringersBusiness
206DEENCRYPTED 206EncryptedBusiness
207DBUS 207BusTransportation
209DACSACS Security Patrol Security
226DMOUNTAINDISPOSALMountain Disposal - Arrowhead / Crestline areaBusiness
235DTOW 235Towing - Huntington Beach areaBusiness
243DSBCo FSP 1San Bernardino - Freeway Service Patrol 1Public Works
244DSBCo FSP 2San Bernardino - Freeway Service Patrol 2Public Works
245DTow AAATowing - PalmdaleBusiness
248DEEncryptedEncryptedAircraft
254DTOW 254Towing - Studio City areaBusiness
271DTOW 271Towing - Compton / Lakewood areaBusiness
274DTOW 274Towing - Pasadena areaBusiness
276DFREEWAY SVCFreeway Service Patrol - truck to truckBusiness
277DTOW 277Towing - Gardena/Hawthorne areaBusiness
282DCW TOWCW Towing - Lancaster areaBusiness
284DTOW 284Towing - Fontana / Riverside areaBusiness
289DLA SEC PATROLDowntown L.A. Security PatrolsSecurity
292DEEncrypted 292EncryptedBusiness
303DPadres PedalPadres Pedal Cycling Event - San DiegoBusiness
304DPadres PedalPadres Pedal Cycling Event - San DiegoBusiness
305DPadres PedalPadres Pedal Cycling Event - San DiegoBusiness
340DCEMEX VTUCement - Simi Valley Oxnard Rito Vegas Santa Barbara Business
341DCEMEX LACement Trucks - LATransportation
342DCEMEX OCCement Trucks - OCBusiness
343DCEMEX RIVCement Trucks - RiversideBusiness
344DCEMEX SDCement Trucks - San DiegoBusiness
350DWOODBRIDGEWoodbridge Village Assn Irvine SecuritySecurity
356DSD FREEWAY SVC San Diego Freeway Service Patrol Transportation
357DTOW 357TowingBusiness
361DTOW 361Towing - Granada Hills areaBusiness
363DTOW 363TowingBusiness
364DPREMIERPremier Ambulance - Los Angeles basinEMS Dispatch
365DAMB 365Ambulance BLS - Orange CountyEMS Dispatch
366DSYMBIOSISSymbiosis Ambulance - Orange CountyEMS Dispatch
367DTOW 367Towing - Ontario areaBusiness
369DEEncrypted 369EncryptedBusiness
383DTOW 383Towing - Lakewood areaBusiness
400DTow 400Towing - Woodland Hills areaBusiness
440DSECURITY 440Security - Oceanside areaSecurity
449DDUSD RIO HONDODowney Unified School Dist - Rio Hondo ElementarySchools
452DDUSD 452Downey Unified School DistSchools
453DDUSD PRICEDowney Unified School Dist - Price ElementarySchools
454DDUSD DOTTYDowney Unified School Dist - Dotty Middle SchoolSchools
455DDUSD GRIFFITHSDowney Unified School Dist - Griffiths Middle SchoolSchools
456DDUSD STAUFFERDowney Unified School Dist - Stauffer Middle School Schools
457DDUSD SUSSMANDowney Unified School Dist - Sussman Middle School Schools
458DDUSU COLUMBUS Downey Unified School Dist - Columbus High SchoolSchools
459DDUSD DOWNEYDowney Unified School Dist - Downey High SchoolSchools
460DDUSD WARRENDowney Unified School Dist - Warren High SchoolSchools
462DDUSD MAINT1Downey Unified School Dist - MaintenanceSchools
463DDUSD MAINT2Downey Unified School Dist - MaintenanceSchools
464DDUSD TRANSPDowney Unified School Dist - TransportationSchools
465DDUSD 465Downey Unified School DistSchools
466DDUSD 466Downey Unified School Dist Schools
467DDUSD FOODDowney Unified School Dist - Food ServicesSchools
468DDUSD EMERG NETDowney Unified School Dist - EOC Emergency NetSchools
473DTOW 473Towing - San DiegoBusiness
474DTOW 474Towing - Thousand Oaks area Business
650DNATL READY MIXNational Ready Mix concreteBusiness
651DNATL READY MIXNational Ready Mix concreteBusiness
652DNATL READY MIXNational Ready Mix concreteBusiness
653DNATL READY MIXNational Ready Mix concreteBusiness
654DNATL READY MIXNational Ready Mix concreteBusiness
655DNATL READY MIXNational Ready Mix concreteBusiness
656DNATL READY MIXNational Ready Mix concrete - Santa ClaritaBusiness
657DNATL READY MIXNational Ready Mix concreteBusiness
658DNATL READY MIXNational Ready Mix concreteBusiness
659DNATL READY MIXNational Ready Mix concrete - West LABusiness
660DSCHOOL BUS 660School BusTransportation
668DANAHEIM USD SECAnaheim Elementary / Anaheim Union High School Dist. SecuritySecurity
670DFALCK LAFalck Ambulance - Los AngelesEMS Dispatch
671DFALCK 671Falck Ambulance EMS Dispatch
672DFALCK SGVFalck Ambulance - San Gabriel ValleyEMS Dispatch
673DFALCK OC NORTHFalck Ambulance - OC Fire NorthEMS Dispatch
674DFALCK OC SOUTHFalck Ambulance - OC Fire SouthEMS Dispatch
675DFALCK 675Falck Ambulance EMS Dispatch
676DFALCK OC NORTHFalck Ambulance - OC Fire NorthEMS Dispatch
696DCODE ENFORCECity Code Enforcement - Riverside areaPublic Works
697DEMERGENCY AMBEmergency Ambulance (Brea)EMS Dispatch
698DEMERGENCY AMBEmergency Ambulance - OCEMS Dispatch
712DSCHOOL BUS 712Schools BusTransportation
714DTOW AAA 714TowingBusiness
716DMOUNTAIN TRANSITMountain Transit - Big BearTransportation
1121DSECURITY 1121Security - Norwalk Security
2170DBUS 2170Transit BusTransportation
Clark County NV Talkgroups
DEC Mode Alpha TagDescriptionTag
20001DRadio TechsRadio TechniciansBusiness
20057DConcrete 20057Concrete CompanyBusiness
20201DShuttle 20201NAFB Operations Shuttle BusTransportation
20226DConcrete 20226Concrete CompanyBusiness
20227DBusiness 20227Business 20227Business
20236DConcrete 20236Concrete CompanyBusiness
20238DAsphalt 20238Asphalt CompanyBusiness
20246DSecurity 20246Housing Complex Security 1Security
20247DSecurity 20247Housing Complex Security 2Security
20256DTrash 20256Trash Collection 1Business
20257DTrash 20257Trash Collection 2Business
20266DTrucking 20266Materials CompanyBusiness
20276DBusiness 20276Business 20276Business
20280DBusiness 20280Business 20280Business
20323DBusiness 20323Business 20323Business
Esmeralda County NV Talkgroups
DEC Mode Alpha TagDescriptionTag
20021DECSO DispatchEsmeralda County Sheriff, Goldfield, NVLaw Dispatch
Lincoln County NV Talkgroups
DEC Mode Alpha TagDescriptionTag
20041DLCSO 1Lincoln County Sheriff’s Office, Pioche, NVLaw Dispatch
20042DLCSO 2 DispatchLincoln County Sheriff’s Office, Pioche, NVLaw Dispatch
20043DLCSO 3Lincoln County Sheriff’s Office, Pioche, NVLaw Dispatch
Mohave County AZ Talkgroups
DEC Mode Alpha TagDescriptionTag
20503DALLO FiberALLO Fiber (3155 Stockton Hill Rd, Kingman)Business
Nye County NV Talkgroups
DEC Mode Alpha TagDescriptionTag
20032DNCSD Bus 1Nye County School District 1Schools
20033DNCSD Bus 2Nye County School District 2Schools
20102DValley ElectricValley Electric Association, 800 State 372, Pahrump, NVUtilities