| Frequency | Functions |
|---|---|
| 939.9125 | ??? |
| 939.3750 | Control, Voice |
| 939.3625 | Control, Voice |
| 939.3500 | Control, Voice |
| 939.3375 | Control, Voice |
| 939.3250 | Voice |
| 939.3125 | Voice |
| 939.3000 | Voice |
| 939.2875 | Voice |
| 939.2750 | ??? |
| 939.2625 | ??? |
| 937.0000 | ??? |
| 936.4125 | Voice |
| 936.4000 | Voice |
| 936.3875 | Voice |
| 935.3125 | Voice |
| 935.3000 | Voice |
| Talkgroup | User |
|---|---|
| 272 | ??? |
| 848 | ??? |
| 2352 | ??? |
| 4112 | ??? |
| 4656 | ??? |
| 4816 | ??? |
| 5104 | ??? |
| 5296 | ??? |
| 5392 | Phil's Towing (Cambridge, MA) |
| 5424 | ??? |
| 5680 | ??? |
| 5712 | ??? |
| 5936 | ??? |
| 5968 | ??? |
| 6096 | ??? |
| 6768 | B & B Towing (Cambridge, MA) |
| 7024 | ??? |
| 7184 | ??? |
| 8336 | Armstrong Ambulance Operations to Paramedic Units |
| 8464 | Armstrong Ambulance ALS Requests from Fire Depts |
| 9232 | Pat's Towing (Somerville, MA) |