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GARMIN GSD™ 26 CHIRP Professional Sonar Module

GARMIN GSD™ 26 CHIRP Professional Sonar Module

SKU: GAR-010-00958-00

The GSD 26 is a remote CHIRP sounder for the serious sport angler.


CHIRP Spread Spectrum technology:  GSD™ 26 CHIRP Professional Sonar Module takes high-definition gamefish targeting to a new level with digital Spread Spectrum technology, scanning on multiple frequencies at one time, returning vast amounts of data. As a result, you can expect precise, shallow-water-like target separation at much greater depths—up to 10,000'. 


Traditional sonar: Its traditional fixed frequency mode also lets you dial into specific frequencies, from a very low 25kHz to a high of 210kHz, to target certain species of sport fish, with significantly better target definition, bottom contours and signal noise suppression at greater depths than traditional models.

Dual-transceivers allow for simultaneous and independent dual transducer operation, which allows complete customization. GSD 26 provides faster screen updates and a more timely interpretation of what’s below for safer navigation and better fishing.


Selectable transmit power: Designed for Garmin’s newest broadband transducers, the GSD 26 offers selectable transmit power from 300 to 3,000 watts.




  • Frequency: Manually adjustable, from 25kHz to 210kHz
  • Transmit Power: Selectable 300-3,000W
  • Maximum Depth: 10,000'
  • Dimensions: 14 11/16"W x 10 13/16"L x 3 15/16"H
  • Included Equipment: Power cable and 6' Marine Network cable, mounting hardware, SD card
  • NMEA Interface: Ethernet
  • Compatible Devices: Compatible with the Garmin Marine Network for display on the latest Garmin GPSMAP® 4000/5000 and 6000/7000/8000 series displays
  • Transducer: Sold separately
  • Waterproof Rating: IPX7
  • Warranty: Two years
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