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 These systems are either no longer in use or have been superceded by another system.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 |
|---|---|---|---|---|---|
| Cayman Island Unknown | Motorola | Type IIi Hybrid | Cayman Island | Statewide | 2007-02-27 |
| Cayman Islands Public Safety | Motorola | Type II SmartZone | Various | N/A | 2019-04-13 |
| Unidentified LTR (George Town 1) | LTR | Standard | George Town | N/A | 2016-08-01 |