Garmin
GMI™ 40 Wireless Sail Pack – 43 mm
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Warranty Details
Warranty Details

GMI™ 40 Wireless Sail Pack – 43 mm
Two GMI 40 Marine Instruments, gWind™ Wireless 2 & GDT™ 43/GST™ 43 Transducers
Everything you need to modernize your sailboat's instrumentation: two GMI 40 touchscreen displays, a wireless wind transducer, and 43mm thru-hull depth/speed/temperature transducers — all NMEA 2000® ready.
Key Features
- Two high-resolution touchscreen GMI 40 displays — Compact, easy-to-use instruments showing real-time wind, speed, depth, heading, engine, fuel data, and more from your compatible devices.
- Wireless wind data — The gWind™ Wireless 2 transducer eliminates running wires through masts up to 50 ft.
- 43mm thru-hull transducers included — GDT™ 43 (depth) and GST™ 43 (speed/temperature) retrofit directly onto existing Nexus® or Silva 43mm thru-hull fittings (TH43) — no new holes to drill. Add the NMEA 2000® adapter and each connects straight into your network.
- NMEA 2000® and Garmin BlueNet™ integration — Full-system connectivity with compatible chartplotters and instruments.
- Smartwatch sync — Wirelessly shares data to your compatible Garmin marine smartwatch.
- ActiveCaptain® app updates — Keep firmware current from your phone.
- Customizable layouts — Flexible gauge sets and page arrangements.
What's Included
- 2x GMI 40 Marine Instruments
- 1x gWind™ Wireless 2 Transducer
- 1x GDT™ 43 Depth Transducer
- 1x GST™ 43 Speed/Temperature Transducer
Specifications
| Spec | Detail |
|---|---|
| Wind speed range | 0.8–90 knots (0.4–50 m/s) |
| Transducer fitting | 43mm (retrofits existing Nexus/Silva TH43) |
| GDT 43 deadrise | 0–20° |
| Connectivity | NMEA 2000®, Garmin BlueNet™, ANT® (wind) |
| SKU | 010-03411-50 |
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