GSD 28 Sonar Module

Part Number 010-02797-00

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Feature
Specs
In The Box
Update
Accessories

THE DEPTHS. REVEALED.

See what’s down there. Catch what’s down there. Take your fishing to extreme depths with a high-powered sonar module with the features you need to improve your chances for success.

ENGINEERED FOR OFFSHORE 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 our 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 target 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

The GSD 28 sonar module can operate in the 33 to 250 kHz frequency range¹.

BUILT TO LAST

GSD 28 is rated for harsh marine environments and water-resistance with an IPX7 rating.

¹Transducer and depth dependent

²Requires MSC 10 satellite compass; sold separately

General
Case material	Fully gasketed, aluminum housing, steel back panel, plastic access panel
Physical dimensions	10.7" × 14.4" × 4.0" (27.06 cm × 36.66 cm × 10.1 cm)
Weight	14.13 lbs (6.4 kg)
Water rating	IPX7
Temperature range	From 5° F to 158° F (from -15° C to 70° C)
Electrical Features
Power input	10-32 V
Power usage	120 W maximum
Fuse	15A
Sonar Features
Frequencies supported	Dual channel CHIRP: 33-250 kHz (transducer dependent)
Transmit power	300W–3kW rms (transducer dependent)
Maximum depth	10,000 ft (3,048 m)
xCHIRP	yes
Rapid return	yes
Connections
Garmin Marine Network Ports	1 (Garmin BlueNet)
Sonar connections	2 bare wire

GSD 28
Power cable
Garmin BlueNet™ marine network cable (6 ft) with legacy network adapter
Field installable adapter kit for the Garmin BlueNet network
Mounting hardware
Documentation

GSD 28 Sonar Module