See what’s down there. Catch what’s down there. Take your sport fishing to extreme depths with a high-powered sonar module with the features you need to improve your chances for success.
THE DEPTHS. REVEALED.
ENGINEERED FOR OFFSHORE SPORT FISHING
SEE SONAR FASTER WITH GARMIN RAPIDRETURN™ TECHNOLOGY
CRISP AND CLEAR FISH TARGETS WITH xCHIRP TECHNOLOGY
EXCELLENT TARGET SEPARATION WITH xCHIRP TECHNOLOGY1
GREATLY REDUCE WAVE AND SWELL FROM BOTTOM RETURNS WITH HEAVE COMPENSATION2
WHAT YOU'LL LOVE
GARMIN RAPIDRETURN SONAR
This high-performance technology provides our fastest deep-water scrolling sonar with 2 to 6 times the ping rate1 of Garmin's GSD™ 26 sonar. This allows captains to make fast and informed decisions based on what is below their boats.
XCHIRP TECHNOLOGY
Easily distinguish bait from sport fish with our clearest traditional sonar fish arches and excellent target separation. Get smooth bottom returns and precise targeting at extreme depths1.
HEAVE COMPENSATION
When the seas get rough, use the MSC™ 10 external satellite compass (sold separately) to greatly reduce wave and swell from your sonar returns.
SUPERCHARGED SONAR
COMPATIBILITY
TRANSDUCER SUPPORT
This sonar module is compatible with a wide range of Garmin and AIRMAR® transducers (sold separately).
RETROFITTING
The GSD 28 module is ideal for retrofitting to boats with existing bare wire transducers.
PERFORMANCE
SONAR POWER
GSD 28 can output 300 watts to 3 kW at extreme depths1.
CHIRP SUPPORT
The module supports dual-channel CHIRP (up to 3 kW per channel).
OPERATION RANGE
Get alerts for hazards along your route, such as upcoming sharp curves, speed changes and more.
BUILT TO LAST
GSD 28 is rated for harsh marine environments and water-resistance with an IPX7 rating.
1 Transducer and depth dependent
2 Requires MSC 10 satellite compass - sold separately.
- GSD 28
- Power cable
- Garmin BlueNet™ marine network cable (1,8 m/6 ft) with legacy network adapter
- Field installable adapter kit for the Garmin BlueNet network
- Mounting hardware
- Documentation
GENERAL
| CASE MATERIAL | Fully gasketed, aluminum housing, steel back panel, plastic access panel |
| PHYSICAL DIMENSIONS | 27.06 cm x 36.66 cm x 10.01 cm (10.7″ x 14.4″ x 4″) |
| WEIGHT | 6.4 kg (14.13 lbs) |
| WATER RATING | IPX7 |
| TEMPERATURE RANGE | From -15° C to 70° C (from 5° F to 158° F) |
ELECTRICAL FEATURES
| POWER INPUT | 10-32 V |
| POWER USAGE | 120 W maximum |
| FUSE | 15 A |
SONAR FEATURES
| FREQUENCIES SUPPORTED | Dual channel CHIRP: 25-250 kHz (tranducer dependant) |
| TRANSMIT POWER | 300W - 3kW rms (transducer dependant) |
| MAXIMUM DEPTH | 3,048 m (10,000 ft) |
| xCHIRP | |
| RAPID RETURN |
CONNECTIONS
| GARMIN MARINE NETWORK PORTS | 1 (Garmin BlueNet) |
| SONAR CONNECTIONS | 2 bare wire |
Loading compatible items...
