City of Cambridge

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City of Cambridge

  • Cambridge uses a 800mhz Motorola trunking system for Police, Fire & E.M.S. as well as other city services. They also simulcast to conventional frequencies. It is reported that beginning in '06 CFD will no longer simulcast on 154.355. Their new simulcast frequency will be 471.3125, which was at one time CPD f-5. CPD will continue to simulcast on 470.3125, Ch.1 can also be heard on 866.800/DPL-155.

Control channel shown in RED.


Trunked Frequencies
853.2625 857.7875
856.7875 858.7875
859.7875 860.7875
867.300 867.4375
867.6875 868.7875


Police Talkgroups

ID Use
17744 F-1 Dispatch
17776 F-2 Info
17808 F-3 Bapern 3
17840 F-4
17872 F-5
17904 F-6 Interagency
18032 F-7 Supervisors
18192 F-11 Traffic
18224 Detectives
17472 Dispatch??
17936 Admin.
18224 Special Ops.
17968 Narcotics
18032 Juvenile
19024 M.I.T. Patch
20592 C.C.H. Security
17680 Training??
18128 Ch.12


Fire Talkgroups

ID Use
16816 Dispatch
16848 Ch.2
16880 Training
16912 Metro Fire
19792 F-15
16976 Interagency
17264 Fireground
16944 Admin.
17040 F.A. Techs
17072 Supervisors
17104 F-11 Invest.
17168 HazMat
17136 F-14 Talkaround
F-14 Fireground
17232 F-16 Fireground
22480 Belmont Fire


E.M.S. Talkgroups

ID Use
19632 Pro.Amb.Dispatch
20816 Cambridge Hospital
20816 Mt.Auburn Hosp.
17008 Somerville Hosp.


Conventional Channels to be continued...