• Garmin GNX 21 Marine Instrument Display (010-01142-10)
  • Garmin GNX 21 Marine Instrument Display (010-01142-10)
  • Garmin GNX 21 Marine Instrument Display (010-01142-10)
  • Garmin GNX 21 Marine Instrument Display (010-01142-10)
  • Garmin GNX 21 Marine Instrument Display (010-01142-10)

Garmin GNX 21 Marine Instrument Display (010-01142-10)

Garmin GNX 21 Marine Instrument Display (010-01142-10)

Model Number: 010-01142-10

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Tech Specs
In The Box
Manual & Warranty
Trade-In Program

Tech Specs

In The Box

Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!

1. Get a quote

To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.

2. Ship your product(s) for trade

After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.

3. Make your purchase

Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.

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Tech Specs

In The Box

Trade-In Program

Overview

Garmin GNX 21 Marine Instrument Display

Enhance your boating experience with the Garmin GNX 21 Marine Instrument Display, designed for clarity and functionality on the water. Whether you're cruising or fishing, this advanced instrument display offers a range of features that cater to your marine needs.

Key Features:

  • Inverted Display: Enjoy an easy-to-read screen with white or color digits on a black background, ensuring optimal visibility for depth, speed, wind, and over 50 marine parameters.
  • Exceptional Readability: The glass-bonded display features an anti-glare lens coating, providing excellent visibility both day and night with high-contrast digits scalable up to 36 mm.
  • Innovative Design: The first glass-bonded marine instrument to integrate directly driven LCD segments with a dot-matrix field for displaying graphical information.
  • Low Power Consumption: Operating at just 25 mA with minimal power usage (350 mW without backlight / 400 mW with mid-level backlight), it's perfect for sailboats and extended outings.
  • Customizable User Profiles: Tailor your experience by displaying wind, depth, and speed data according to your preferences.
  • Auto-Scroll Feature: Navigate your data screens effortlessly with hands-free operation.
  • Flexible Installation: Choose between a low profile flush mount included or an optional flat mount for a sleek glass helm solution on your boat.

Elevate your navigation experience with the Garmin GNX 21 Marine Instrument Display—where innovation meets practicality, ensuring you stay informed while enjoying the beauty of your time on the water.