100% Canadian

All prices are in CDN dollars.

1-800-585-9331


April 16, 2026: Due to the weather conditions today in Calgary, Canada Post will not be picking up any packages. Orders sent via Canada Post will be leaving our store tomorrow, weather permitting. 

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Garmin GPSMAP 1643 Specs

General

Dimension 15.1” x 10.3” x 3.0” (38.4 x 26.2 x 7.6 cm)
Weight 9.7 lbs (4.4 kg)
Waterproof IPX7
Touchscreen ✔
Display Type FHD, IPS
Display Size 13.6″ x 7.7″; 15.6″ diagonal (34.5 cm x 19.5 cm; 39.7 cm diagonal)
Display Resolution 1920 x 1080 pixels
Mounting Options Bail, flush or flat (Garmin does not offer any hardware or accessories for a flat-mount installation. Professional tools and knowledge is required.)
Input Touchscreen

Maps & Memory

Accepts Data Cards 2 microSD cards (back of device)
Waypoints 5000
Track points 50,000
Tracks 50 saved tracks
Navigation Routes 100

Sensors

GPS ✔
GLONASS ✔
Galileo ✔
Has built-in receiver ✔
Receiver 10 Hz
NMEA 2000 Compatible ✔
NMEA 0183 Compatible ✔
Supports WAAS ✔

Built-in Maps

Built-in Auto Guidance+ ✔
Garmin Navionics+ Inland & Coastal ✔
Tide tables ✔

Optional Map Support

Garmin Navionics+™ ✔
Garmin Navionics Vision+™ ✔
TOPO 100K ✔
Standard Mapping ✔
Garmin Quickdraw Contours ✔
Raster chart support ✔

Chartplotter Features

Smart Mode Compatible ✔
AIS ✔
DSC ✔
Supports Fusion-Link™ compatible radios ✔
GSD Black Box Sonar Support ✔
GCV Black Box Sonar Support ✔
ActiveCaptain® compatible yes
GRID (Garmin Remote Input Device) compatible ✔
Wireless Remote Compatible ✔
Sailing Features ✔
Spoken audio alerts ✔
OneHelm support ✔

Electrical Features

Power Input 10 to 32 Vdc
Typical current draw at 12 Vdc 2.90 A
Maximum current draw at 12 Vdc 3.73 A
Maximum power usage at 10 Vdc 46.0W

Sonar Features

Displays sonar ✔
Traditional sonar (dual frequency/beam) yes (with GCV black box, sold separately)
ClearVü yes (with GCV black box, sold separately)
SideVü yes (with GCV black box, sold separately)
Panoptix™ sonar ✔
LiveScope ✔

Connections

NMEA 2000® ports 1
Connections NMEA0183 Input Ports 1
NMEA 0183 output (Tx) ports 1
Video input ports 1 (BNC composite)
Video output ports 1 HDMI
J1939 ports 1
Garmin Marine Network Ports 2
12-pin transducer ports none (GCV black box required to add transducer)
USB ports ✔
BLUETOOTH® pairing ✔
ANT+ (Connectivity) ✔
Garmin Wi-Fi network (local connection) ✔

In the Box:

  • GPSMAP 1643 chartplotter
  • microSD™ card preinstalled
  • Power cable
  • Flush mount kit with gasket
  • Protective cover
  • Trim piece snap covers
  • Backbone/drop cable (2 meters) and T-connector for the NMEA 2000® network
  • Documentation