![Garmin GMI 20 Marine Instrument Display [010-01140-00] Marine Navigation & Instruments | Network Cables & Modules It has a built-in GPS](https://cdn.shopify.com/s/files/1/0633/0394/2211/files/48522XL.jpg?v=1749067968)
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It has a built-in GPS receiver with connector for required external antenna
the ability to purchase new maps and charts and access to the Garmin Quickdraw™ Contours Community
situational awareness and collision avoidance between you and other mariners worldwide
echo™ 550c
echoMAP™ CHIRP 52dv
Garmin GMI 20 Marine Instrument Display [010-01140-00] Marine Navigation & Instruments | Network Cables & Modules It has a built-in GPSGMI 20 Marine Instrument Display Perfectly Designed for Power & Sail Vessels The GMI 20 digital marine instrument display is perfectly designed for both power and sail vessels. Designed to clearly show depth, speed, wind and 100+ marine and vessel parameters, its large, bright 4" color display with extra large digits is easy to read at a distance and 170 degree viewing angle. A glass bonded finish lens prevents fogging and increases contrast. Daylight