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THE AUTHORISED DISTRIBUTOR AND SERVICE CENTRE IN INDIA FOR THE ENTIRE RANGE OF GARMIN PRODUCTS
 

 
     
 
GSD 21

GSD 22

   
Sounder Type
Analogue Digital    
Unit Dimentions
1.88"H x 6.81"W x 4.86"D 2.99"H x 7.59"W x 6.09"D    
Backlit
Display n/a    
Waterproof Standard
IPX 7 IPX7    
UltraScroll
yes yes    
Compatible with Dual Frequency transducer
yes yes    
Dual Beam Sonar
yes yes    
Autogain Technology
yes yes    
Voltage Range
10 - 35 VDC 10 - 35 VDC    
Max Depth
1500ft 5000ft    
Frequency
50/200KHz, 80/200KHz 50/200KHz, 80/200KHz    
Max Cone Angle Dual Frequency
45/10 degree 45/10 degree    
Max Cone Angel Dual Beam
45/14 degree 45/14 degree    
Display Options
n/a n/a    
Depth Controlled Gain
Yes yes    
See - Thru Compatible
Yes yes    
Power Output (Watts)
500w - Dual Frequency, 400w - Dual Beam 500 - 200w RMS (depending on transducer)    
Split Screen Zoom
n/a n/a    
CANet Compatible
Yes yes    
Marine Network Compatible
no yes    
NMEA Compatible
yes yes    

 


     
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