Many Garmin chartplotters can be connected to a compatible Garmin radar to aid in navigation. Please refer to the tables below to determine which radar modes are available and which chartplotters they are compatible with.
| GPSMAP 3xxx | GMR 20, 21, 40, 41 | GMR 18, 18HD, 24, 24HD | GMR 18HD+ | GMR 404, 406 | GMR xHD Open-Arrays | xHD Domes | xHD2 Open-Arrays | Fantom | Fantom Domes |
| Cruising | X
| X
|
| X
| X
|
|
|
|
|
| Single Range |
|
|
|
|
|
|
|
|
|
| Harbor |
|
|
|
|
|
|
|
|
|
| Offshore |
|
|
|
|
|
|
|
|
|
| Dual Range |
|
|
|
|
|
|
|
|
|
| GPSMAP 4xxx, 5xxx, 6xxx 70/72xx | GMR 20, 21, 40, 41 | GMR 18, 18HD, 24, 24HD | GMR 18HD+ | GMR 404, 406 | GMR xHD Open-Arrays | GMR xHD Domes | GMR xHD2 Open-Arrays | Fantom | Fantom Domes |
| Cruising | X | X | X | X |
|
|
|
|
|
| Single Range |
|
|
|
|
| X | X | 6xxx/70xx/72xx
|
|
| Harbor |
|
|
|
| X |
|
|
|
|
| Offshore |
|
|
|
| X |
|
|
|
|
| Dual Range |
|
|
|
| X | X | X | 6xxx/70xx/72xx |
|
| GPSMAP 74/76xx, 8xxx | GMR 20, 21, 40, 41 | GMR 18, 18HD, 24, 24HD | GMR 18HD+ | GMR 404, 406 | GMR xHD Open-Arrays | GMR xHD Domes | GMR xHD2 Open-Arrays | Fantom | Fantom Domes |
| Cruising | X | X | X | X |
|
|
|
|
|
| Single Range |
|
|
|
|
| X | X | X | X |
| Harbor |
|
|
|
| X |
|
|
|
|
| Offshore |
|
|
|
| X |
|
|
|
|
| Dual Range |
|
|
|
| X | X | X | X | X |