Garmin Display GNX 21 4" b/w
Large, easy-to-read black numbers and graphics on a white background provide high contrast and excellent visibility.
Backlight with 7 different customizable colors
Glass-bonded LCD and anti-glare display
Fully customizable user profiles to view the most important data
Low power consumption (25 mA) with 350 mW (no backlight)/400 mW (medium level backlight)
The GNX 21 4” monochrome display features white digits on a black background, providing high contrast for clear visibility in any lighting condition and from any angle. The GNX 21 is the first glass-bonded LCD display with three different data fields, and thanks to fully customizable profiles, you can view and customize the layout of over 50 data pages. The auto-scroll function allows you to view only the data you're interested in.
If you want a different color, the display can be customized by choosing from 7 different colors: red, orange, yellow, green, blue, or purple. Based on these colors, the user can also create a custom one for optimal data visualization.
Specifications Look and feel
Physical dimensions 110 x 115 x 30 mm (4.33" x 4.53" x 1.18")
Weight 230 g (8 oz)
Screen size, WxH 4" diagonal
Screen type Inverted LCD, monochrome
IPX7 waterproof rating
Glass screen Yes
Operating temperature 9-16 V (from NMEA 2000)
Compass safety distance 209 mm (8.25 in.)
Operating voltage 9-16 V (from NMEA 2000)
Energy consumption
0.35 W (day); 0.4 W (night)
Flat or Flush mounting options
Features and benefits
NMEA 2000® certified Yes
NMEA 0183 compatible Yes
Automatic activation Yes
User Profiles Yes
Packaging GNX Display
Protective cover
2m NMEA 2000 cable
T-connector
Installation kit
User manual