Garmin GSD28 Sonar Module

Explore the mysterious depths of the sea with Garmin GSD28, a Sonar Module engineered for the love of fishing, tailor-made to ace the sport and supply you with a fish bounty in every expedition.

GARMIN RAPIDRETURN SONAR

GSD28 boasts of RapidReturn, Garmin's trademark feature, a high-performance technology with fastest deep water scrolling sonar delivering a ping rate 2 to 6 times more than our GSD26 sonar.

XCHIRP TECHNOLOGY

Weekend fishing date with friends or a frenzy fishing competition, Garmin's xChirp helps identify the usual bait from potential sport fish with traditional sonar fish arches and efficient target separation. 

HEAVE COMPENSATION

Garmin expertly minimizes wave and swell from your sonar returns with its MSC10 external satellite compass (to be bought separately). 

Highlights:

• Engineered for offshore sport fishing
• Faster sonar views with rapidreturn technology
• xChirp technology for ideal target fish separation
• Heave compensation to reduce wave and swell from sonar returns
• Compatible with Garmin and AIRMAR transducers
• Ideal for retrofitting to boats with existing bare wire transducers
• 300 watts to 3kW output at extreme depths
• Supports dual channel Chirp with up to 3kW per channel

Specifications:

Case material: Fully gasketed, aluminum housing, steel back panel, plastic access panel

Dimensions: 10.7" × 14.4" × 4.0" 

Weight: 14.13lbs

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 dependant)

Transmit power: 300W–3kW rms (transducer dependant)

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

What's in the Box:

1 x GSD 28

1 x Power cable

1 x Garmin BlueNet™ marine network cable (1,8 m/6 ft) with legacy network adapter

1 x Field installable adapter kit for the Garmin BlueNet network

1 x Mounting hardware

1 x Documentation