Note: This is a listing of deprecated systems. These systems are either no longer in use or have been superceded by another system.
| System Name | Type | Flavor | City | County | Updated |
|---|---|---|---|---|---|
| American Airlines (Boston Logan International Airport) | Motorola | Type II | Boston | Suffolk | 2020-10-30 |
| Boston City Services | Motorola | Type II | Boston | Suffolk | 2017-05-25 |
| Comtronics | LTR | Standard | Boston | Suffolk | 2022-01-10 |
| Gillette Stadium - Parking Control | DMR | Motorola Capacity Plus Single Site (TRBO) | Foxboro | Norfolk | 2023-04-01 |
| Industrial Communications (Medford) | Motorola | Type II | Medford | Middlesex | 2018-05-14 |
| Industrial Communications (Sudbury) | Motorola | Type II | Sudbury | Middlesex | 2020-04-27 |
| Industrial Communications and Electronics (Andover) | Motorola | Type II Smartnet | Andover | Essex | 2020-04-27 |
| Industrial Communications and Electronics (Boston, Prudential Tower) | Motorola | Type II | Boston | Suffolk | 2020-04-27 |
| Industrial Communications and Electronics (Boston, Wormwood Street) | Motorola | Type II | Boston | Suffolk | 2018-05-14 |
| Industrial Communications and Electronics (Falmouth) | Motorola | Type II Smartnet | Falmouth | Barnstable | 2020-04-27 |
| Industrial Communications and Electronics (Foxboro) | Motorola | Type II | Foxboro | Norfolk | 2020-04-27 |
| Industrial Communications and Electronics (Holyoke) | Motorola | Type II Smartnet | Holyoke | Hampden | 2020-04-27 |
| Industrial Communications and Electronics (Motorola 0E33) | Motorola | Type II | Unknown | Suffolk | 2020-04-27 |
| Industrial Communications and Electronics (Paxton) | Motorola | Type II | Paxton | Worcester | 2020-04-27 |
| Industrial Communications and Electronics (Plymouth) | Motorola | Type II | Plymouth | Plymouth | 2020-04-27 |
| Industrial Communications and Electronics (Rutland) | Motorola | Type II | Rutland | Worcester | 2020-04-27 |
| Industrial Communications and Electronics (Upton) | Motorola | Type II Smartnet | Upton | Worcester | 2020-04-27 |
| Industrial Communications and Electronics (Waltham) | Motorola | Type II | Waltham | Multi-County [2] | 2020-04-27 |
| Industrial Communications and Electronics (Webster) | Motorola | Type II | Webster | Worcester | 2020-04-27 |
| Industrial Communications and Electronics: Quincy | Motorola | Type II | Quincy | Norfolk | 2020-04-27 |
| Longmeadow Municipal TRS | LTR | Standard | Longmeadow | Hampden | 2023-08-24 |
| Massport / Boston Logan International Airport | Motorola | Type II | Boston | Suffolk | 2017-05-25 |
| National Grid USA Service Company | LTR | Standard | Quincy | Multi-County [2] | 2022-02-02 |
| Norfolk County House of Corrections | Motorola | Type II Smartnet | Dedham | Norfolk | 2022-07-08 |
| R D C Communications LTR | LTR | Standard | Cape Cod | Barnstable | 2020-09-19 |
| UMass Memorial Health Alliance - Fitchburg | DMR | Motorola Capacity Plus Single Site (TRBO) | Fitchburg | Worcester | 2021-06-19 |
| UMass Memorial Health Alliance - Leominster | DMR | Motorola Capacity Plus Single Site (TRBO) | Leominster | Worcester | 2021-06-19 |