Garmin Echomap™ 42dv Fish Finder_



Physical dimensions4.0″ x 6.6″ x 1.8″ (10.2 x 16.8 x 4.6 cm)
Display size2.1″ x 3.7″; 4.3″ diagonal

(5.4 x 9.5 cm; 10.5 cm diagonal)

Display resolution480 x 272 pixels
Display typeWQVGA display
Weight1.6 lbs (0.7 kg)
Water ratingIPX7
Power consumption5W
AntennaInternal or external over NMEA 0183
Mounting optionsBail or flush
Receiver5 Hz
Garmin Marine Network™ portsNone

Maps & memory

Preloaded mapsNone
Accepts data cards1 microSD™ card
Track log50,000 points; 50 saved tracks

Outdoor recreation features

Tide tables

Chartplotter Features

Garmin Sonar compatible
Supports AIS (tracks target ships position)
Supports DSC (displays position data from DSC-capable VHF radio)
ActiveCaptain compatibleNo

Sonar features & specifications

Dual-frequency (50/200 kHz) sonar capable
Dual-beam (77/200 kHz) sonar capable
Transmit power500 W (RMS) / 4,000 W (peak to peak)
ClearVüYes (built-in)
Maximum depth2,300 ft @ 77 kHz, freshwater

1,100 ft @ 77 kHz, saltwater

(depth capacity is dependent on water bottom type and other water conditions)

Bottom lock (shows return from the bottom up)
Water temperature log and graph
Sonar recording
Sonar history rewind


NMEA 0183 input ports1
NMEA 0183 output ports1
Video input portsNone
Video output portsNone
Wireless connectivityNo

Out of stock

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