GPSMAP® 398 Sounder

Part Number: 010-00509-00

Overview

Own the lake with the GPSMAP 398 Sounder and its counterpart, the GPSMAP 392. With a powerful built-in sounder and preloaded inland detailed maps for the U.S., the 398 is ready to handle any fishing adventure.

Chart Your Course

This rugged, waterproof chartplotter comes preloaded with U.S. inland detail maps. This detailed data offers 50-meter shoreline resolution throughout the U.S. and even more detailed 10-meter resolution in select lakes. The 398 can also accept preloaded data cards for additional map coverage and is compatible with BlueChart® g2 data cards.

Catch Some Fish

The 398 comes with a built-in 400-watt (RMS) dual-beam sounder that features Ultrascroll® for high-speed screen updates. The 398 can show both the sonar and map on the screen at the same time. And, it can even connect to another chartplotter with Garmin's proprietary CANet™ connection.

GPSMAP 398 Sounder: Out of the box, onto the boat, off to adventure

WAAS enabled BlueChart g2 Compatible

Specs

Physical & Performance

Physical dimensions 6.3" x 6.2" x 3.1" (16.0 x 15.7 x 7.8 cm)
Display size, WxH 3.0" x 4.0", 5.0" diagonal (7.6 x 10.2 cm, 12.7 cm diagonal)
Display resolution, WxH 234 x 320 pixels
Display type 256-color TFT
Weight 2.0 lb (908 g)
Water rating IPX7
Antenna Internal with external connection
NMEA 0183 compatible
Power consumption 14 watts max. at 13.8 vDC
Mounting options Bail with Swivel or Flush
Garmin Marine Network™ ports None

Maps & Memory

Preloaded maps Yes (Inland Lakes)
Accepts data cards 1 Garmin Data Card
Waypoints 3,000
Routes 50
Track log 10,000 points; 15 saved tracks

Chartplotter Features

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

Sonar Features & Specifications

Dual-frequency (50/200 kHz) sonar capable
Dual-beam (77/200 kHz) sonar capable
Frequencies supported 50/77/200 kHz
Transmit power 500 watts (RMS); 4,000 watts (peak to peak)
Maximum depth 1,500 ft (dual frequency); 900 (dual beam)
Bottom lock (shows return from the bottom up)
Water temperature log and graph

Connections

NMEA 0183 input ports 1
NMEA 0183 output ports 1
Video input ports None
Video output ports None

In the Box

  • GPSMAP 398C Sounder
  • Preloaded U.S. marine detail maps (g2 technology)
  • Internal or external antenna
  • Transom-mount transducer (optional)
  • Swivel mount bracket
  • Protective front cover
  • Power/data cable
  • Owner's manual
  • Quick reference guide

Maps

Maps for New Regions

Need maps for other regions? See all maps that are compatible with this device.

Need a map update?

Update the maps that came with your device for the best navigation experience.

Check for Updates

Accessories

/en-US/US/accessoriesAndMapsUrls/010-00509-00.ep