City of Cambridge

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City of Cambridge

  • This system is part of the Massachusetts CoMIRS trunking system.
  • Site NAC of D10
  • Some talk groups are simulcast to conventional frequencies



Table of contents -

System Frequencies

Frequency Use Confirmation
857.2875 Control Channel & Voice 2020.04.15 ecps92
857.7875 Control Channel & Voice 2016.05.02 N1BHH
858.7875 Control Channel & Voice 2016.05.02 N1BHH
859.7875 Control Channel & Voice 2016.05.02 N1BHH
851.1250 Voice 2020.04.15 ecps92
851.3250 Voice 2020.04.15 ecps92
851.6250 Voice 2020.04.15 ecps92
852.3000 Voice 2020.04.15 ecps92
852.6875 Voice 2020.04.15 ecps92
853.7875 Voice 2020.04.15 ecps92
856.3625 Voice 2020.04.15 ecps92
856.7875 Voice 2020.04.15 ecps92



Talkgroups

Police Talkgroups

Talkgroup Usage Confirmation/ReConfirmations
1109 Ch. 1 Dispatch Patched to 470.3125 2020.01.02 ecps92
1111 Ch. 2: Info 2016.04.11 N1BHH
1113 Ch. 3 Patch BAPERN 3 470.7875 MHz. PL-131.8 2016.05.07 N1BHH
1115 Ch. 4 Patch BAPERN Central 470.9875 MHz. D654 2014.01.14 N1BHH
1117 Ch. 5 Car to Car 2016.05.07 N1BHH
1061 Ch. 6 : Interagency 2016.04.11 N1BHH
1121 Admin 2012.11.14 N1BHH
1119 Ch. 8 Supervisors 2013.07.26 N1BHH
1085 Ch. 9 Special OPS 1 2016.04.11 N1BHH
1135 Ch. 10 2014.01.14 N1BHH
1137 Ch. 11 Traffic 2016.05.06 N1BHH
1133 Ch. 12 2013.07.16 N1BHH
1087 Special OPS 2 2016.05.15 N1BHH
1139 Special OPS 3 2016.05.07 N1BHH
1185 CPD Emergency (All Agency Call For Police) 2012.11.03 CW115
1195 Harvard University Police patched with 484.0875 2016.05.19 N1BHH
1199 Ch. 16 Patched to 470.1250 PL-127.3 and 851.8000 D155 2014.05.16 CW115


Fire Talkgroups

Talkgroup Use Confirmation/ReConfirmations
1051 F-1: Dispatch 2016.04.12 N1BHH
1053 Ch.2 2016.05.07 N1BHH
1055 F-3: Patch : MetroFire Central 482.0250 MHz. PL-123.0 2018.10.28 ecps92
1057 F-4: Patch : MetroFire Red 483.3125 MHz. PL-131.8 2016.04.12 N1BHH
1059 F-5: EMS : Patch 472.5375 PL-146.2 2014.05.18 CW115 + N1BHH
1061 F-6: Interagency 2016.04.11 N1BHH
1065 F-8: Administration 2016.05.07 N1BHH
1067 Fire Investigators (Encryption capable) 2012.11.15 N1BHH
1069 MetroFire White 483.2875 MHz. PL-131.8. Same analog talk group is patched to MSP Zone 1 and 700 Overlay 2019.01.09 ecps92
1077 F-14: Fireground Patched to Conventional 855.5625 2016.05.06 N1BHH
1079 F-16: Fireground Patched to Conventional 854.4875 2019.01.14 ecps92
1105 Tech Services (Maintenance, IT, Radio Shop) 2016.04.11 N1BHH
1107 Tech Services (Maintenance, IT, Radio Shop) 2014.05.16 N1BHH
1253 Fire Alarm Maintenance 2016.05.06 N1BHH
1327 Fire Station Alert 2016.04.12 N1BHH


EMS Talkgroups

  • Several neighboring cities Fire Department ambulances have access to the EMS-Hospital talk groups
Talkgroup Alpha Tag Confirmation/ReConfirmation
1227 Professional Ambulance, Patched to 472.8625 N225 2014.09.07 N1BHH + CW115
1229 EMS Special Ops 2014.09.07 N1BHH
1231 EMS Ops 1 2014.09.07 N1BHH
1233 EMS Ops 2 2014.09.07 N1BHH
1239 Professional Ambulance/Emerson Paramedics (heard sparingly on Cambridge system) 2013.05.13 N1BHH

Public Safety Shared Talkgroups

Talkgroup Alpha Tag Confirmation/ReConfirmations
1085 SOPS 1 2016.04.11 N1BHH
1087 SOPS 2 2016.05.15 N1BHH
1139 SOPS 3 2016.05.07 N1BHH
1141 SOPS 4 2016.05.07 N1BHH
1143 TACTICAL 5 2014.09.07 ecps92 + N1BHH
1063 PS COMMAND 2012.07.12 ecps92 + N1BHH
1083 PS PATCH 2012.12.06 N1BHH

Municipal Talkgroups

Talkgroup Alpha Tag Confirmation/ReConfirmations
1025 DPW F-1 2013.11.21 N1BHH
1027 DPW F-2 2012.12.30 N1BHH
1029 DPW F-3 2013.02.08 N1BHH
1031 DPW F-4 2013.02.08 N1BHH
1033 DPW F-5 2013.11.21 N1BHH
1041 Cambridge Housing Authority 2012.11.11 CW115
1045 Municipal Golf 2012.11.11 CW 115
1151 Traffic Parking and Transportation Department 2013.11.21 N1BHH & CW115
1153 Traffic Parking and Transportation Department 2013.11.21 N1BHH & CW115
1155 Water/Sewer 2013.11.21 N1BHH
1161 Water Department 2012.11.11 CW115
1163 Municipal Golf Course
1177 School Department Security and Maintenance 2013.11.21 CW115
1181 City Events
1241 Animal Commission - Animal Control 2019.01.24 gillham/jrm3607
1245 Cambridge Rindge and Latin High School Security and Maintenance 2016.05.13 N1BHH

Cambridge Hospital and other Medical Facilities

Talkgroup Alpha Tag Confirmation/ReConfirmations
1283 Cambridge Health Alliance Facilities Maintenance 2012.11.15 N1BHH
1287 Cambridge Hospital Security 2012.11.15 N1BHH
1289 Cambridge Hospital Facilities 2012.12.16 N1BHH
1293 Cambridge Health Alliance Facilities Maintenance 2012.11.19 CW115 + N1BHH
1301 Cambridge Hospital 2013.12.24 N1BHH
1303 Mt. Auburn Hospital 2014.09.07 N1BHH
1305 Somerville Hospital 2013.11.05 N1BHH


Massachusetts Institute of Technology (M.I.T.) Talkgroups

Talkgroup Alpha Tag Confirmation/ReConfirmations
1189 M.I.T. Police 2016.05.15 N1BHH
1191 M.I.T. IT Department
1193 MIT EMS 2013.11.05 jrm3607
1217 MIT Police - Details 2019.02.07 OceanNora


Miscellaneous and To Be Identified Talkgroups

Talkgroup Use Confirmation/Reconfirmation
1099 2013.07.16 N1BHH
1223 Cambridgeside Galleria Security 2016.05.07 N1BHH