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 These systems are either no longer in use or have been superceded by another system.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 |
|---|---|---|---|---|---|
| Accès Communications (Mont-Tremblant) | DMR | Motorola Connect Plus (TRBO) | Mont-Tremblant | Laurentides | 2018-07-10 |
| Acces 02 | LTR | Standard | Rigaud | Monteregie | 2016-06-05 |
| Action 01 | LTR | Standard | Gatineau | Outaouais | 2018-06-25 |
| Air Canada YUL | Motorola | Type II Smartnet | Montreal | Montreal | 2018-02-11 |
| AOC Trudeau | Motorola | Type IIi Hybrid | Montreal | Montreal | 2017-09-18 |
| Centre de Telephone Mobile (CTM) - Mt. Ste-Marie | DMR | Motorola Capacity Plus Single Site (TRBO) | Mt. St. Marie | Outaouais | 2018-06-04 |
| Centre de Téléphone Mobile (CTM) 08 | LTR | Passport | Rigaud | Multi-County [5] | 2016-06-05 |
| Centre de Telephone Mobile (CTM) 08 | DMR | Motorola Capacity Plus Multi Site (TRBO) | Montreal | Montreal | 2018-03-17 |
| Centre de Telephone Mobile (CTM) 10 | Motorola | Type IIi Hybrid | Gatineau | Outaouais | 2018-12-30 |
| CHV254 Quebec | Motorola | Type II Smartnet | Unid | N/A | 2004-12-19 |
| Communication Plus 09 | LTR | Standard | St-Bruno | Monteregie | 2023-12-04 |
| Glentel - TimeTrac | MPT-1327 | Standard | Gatineau | Multi-County [4] | 2016-06-02 |
| GRC (Division-C) | Project 25 | Phase I | Provincewide | Provincewide | 2019-03-08 |
| Hydro Quebec 01 | Motorola | Type II SmartZone | Provincewide | Provincewide | 2015-01-08 |
| La Ronde | LTR | Standard | Montreal | Montreal | 2016-06-05 |
| Mobilonde | NXDN | NEXEDGE 9600 | Various | Outaouais | 2018-06-03 |
| MRC des Deux-Montagnes | DMR | Conventional Networked | Multiple Locations | Laurentides | 2020-03-02 |
| Orizon Mobile 06 | LTR | Standard | Montreal | Montreal | 2023-12-04 |
| Orizon Mobile 10 | LTR | Standard | Saint Georges de Beauce | Chaudiere-Appalaches | 2021-09-12 |
| Orizon Mobile 11 | LTR | Standard | Saint Georges de Beauce | Chaudiere-Appalaches | 2021-09-12 |
| Orizon Mobile 13 | LTR | Standard | Saguenay | Saguenay-Lac-Saint-Jean | 2021-07-24 |
| Orizon Mobile 14 | LTR | Standard | Saguenay | Saguenay-Lac-Saint-Jean | 2021-07-24 |
| Orizon Mobile 15 | LTR | Standard | St-Nazaire (Alma) | Saguenay-Lac-Saint-Jean | 2021-07-24 |
| RDS Radio | Motorola | Type I | Trois-Rivieres | Mauricie | 2013-12-01 |
| RSP Montreal | EDACS | Networked Standard | Montreal-Metro | Multi-County [5] | 2021-03-06 |
| RSP Quebec | EDACS | Standard | Quebec-Metro | Capitale-Nationale | 2023-09-04 |
| RSP Sherbrooke | EDACS | Networked Standard | Sherbrooke | Estrie | 2022-01-23 |
| S.R.A.D. Communication 01 | NXDN | NEXEDGE 9600 | St-Calixte | Lanaudiere | 2018-04-10 |
| SRAD 03 | LTR | Standard | Saint-Hippolyte | Laurentides | 2023-12-04 |
| SRAD 04 | LTR | Standard | Ste-Adele | Laurentides | 2023-12-04 |
| STM - Montreal Transit | EDACS | Standard | Montreal | Montreal | 2022-04-29 |
| Techcom 01 | LTR | Standard | Gatineau | Outaouais | 2009-07-17 |
| Techcom 02 | Motorola | Type I | Montreal | Montreal | 2013-12-03 |
| Telesignal 01 | Motorola | Type IIi Hybrid | Saguenay | Saguenay-Lac-Saint-Jean | 2021-07-24 |
| Telesignal 02 | Motorola | Type IIi Hybrid | Saguenay | Saguenay-Lac-Saint-Jean | 2021-07-24 |
| Telesignal 03 | Motorola | Type II | Lac St-Jean | Saguenay-Lac-Saint-Jean | 2021-07-24 |
| Ville de Gatineau | Project 25 | Phase I | Gatineau | Outaouais | 2017-12-24 |
| Ville de Montreal - Fire | Project 25 | Phase I | Montreal | Montreal | 2017-01-19 |