The Garmin GSD 25 is a dual band network sounder for select GPSMAP models (see Garmin site for full list).

It is compatible with Airmar 1kW dual-band CHIRP transducers in the Low/Medium or Low/High bands.

Connection to the display is by a Garmin Marine Network cable.


Specifications

Feature Specification
Part Number 010-01159-00
Frequency Bands 40-250 kHz
Transducer Connector Garmin connector
Transducer Compatibility For use with any Airmar 1kW dual-band CHIRP transducer, including wide-beam models.
Display Connection Garmin Marine Network Cable
Compatible Displays Select Garmin GPSMAP displays (see Garmin site for list)
Dimensions 251mm (9.9") x 192mm (7.6") x 66mm (2.6")
Weight 770g (1.7 lbs)
Power Supply 10-35V DC