Garmin · Fish Finders

GT21-TH Through-Hull Transducer

Description

Garmin's GT21-TH through-hull transducer delivers crisp sonar images of objects, structures and fish under the boat. This transducer, featuring both traditional and CHIRP DownVü sonar functions, is optimised for operation at great depths and in harsh conditions.

Specifications

Sonar type
Fish, Bottom structure
Transducer type
Through-hull transducer
Hull material
GRP, Steel, Solid wood, Plywood
NMEA 2000
No
NMEA 0183
No
Ethernet
No
SeaTalk NG
No
Viewing angle
Downwards
Material
Stainless steel
Cable length (m)
9.15

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