| System Name | Type | City |
|---|---|---|
| Connecticut Land Mobile Radio Network (CLMRN) | Project 25 Phase II | Statewide |
| Cromwell | LTR Standard | Cromwell |
| CT Amateur Radio Emergency Services (ARES) | DMR Conventional Networked | Statewide |
| Eversource | DMR Tier 3 Standard | Statewide |
| Homeland Defense Network | DMR Tier 3 Standard | Various |
| Marcus Communications - Statewide | LTR Standard and Passport | Various |
| Middletown | Project 25 Phase II | Middletown |
| OneVoice Network | DMR Motorola Connect Plus (TRBO) | Various |
