Why Choose the Furuno GP340 for Reliable Marine Positioning?

In the demanding world of marine navigation, where every meter counts, the Furuno GP340 stands out as a compact powerhouse. This GNSS receiver delivers pinpoint accuracy—typically within 3 meters—thanks to its robust 75-channel engine that locks onto multiple satellite networks simultaneously. Whether you're outfitting a fishing trawler, survey vessel, or recreational yacht, its 10 Hz update rate ensures smooth, real-time position data that keeps pace with your vessel's movements.

Boat operators appreciate how it seamlessly integrates with existing setups via NMEA2000 or NMEA0183 outputs. Picture this: your chartplotter displaying unwavering fixes even in choppy seas or under partial sky obstruction. That's the edge the GP340 provides, minimizing downtime and boosting operational confidence.

Multi-Constellation Support for Unmatched Coverage

The GP340 doesn't rely on a single GPS signal. It harnesses a broad array of global systems for superior redundancy and precision:

• GPS on L1 and L5 frequencies for core reliability
• GLONASS L1 for enhanced polar coverage
• Galileo E1/E5 for future-proof European precision
• QZSS L1/L5 boosting accuracy in Asia-Pacific regions
• BeiDou B1/B2 expanding global reach

Layered with SBAS corrections like WAAS, EGNOS, MSAS, and GAGAN, it corrects atmospheric errors on the fly, delivering centimeter-level potential in optimal conditions. This multi-band, multi-system approach shines in real-world scenarios, from coastal cruising to offshore expeditions.

Effortless Installation and Versatile Mounting

Setting up the GP340 is straightforward, with included hardware for deck or mast mounting. The standard 6-meter NMEA2000 drop cable plugs right into your network backbone, while an optional NMEA0183 cable handles legacy systems. Powered by 12-24 VDC, it draws minimal current, fitting neatly into any vessel's electrical setup.

Pro tip: Position the antenna with a clear sky view, away from radar domes or heavy metal structures, to maximize satellite locks. Many users mount it on a pole for elevation, reducing multipath interference from the hull.

Key Specifications at a Glance

Real-World Applications and Integration Benefits

Integrate the GP340 with NavNet systems for autopilot steering, radar overlay, or ECDIS compliance. Industrial users leverage its precision for hydrographic surveys, while port operators rely on it for dynamic positioning. In recreational boating, it feeds accurate data to fishfinders and AIS transponders, enhancing safety during night runs or fog.

Its low-profile design resists wind loads, and rugged build withstands salt spray and vibrations. Regular firmware checks via compatible networks keep it optimized for emerging satellite signals.

What's Included for Quick Setup

• GNSS Receiver unit
• Mount base adapter
• Mount base adapter screws (x6)
• Cable side exit adapter
• Bracket mount screws (x3)
• User manual
• 6m NMEA2000 drop cable

Frequently Asked Questions