Furuno GP340 GNSS GPS Receiver
Best high-precision GPS sensor for professional maritime and industrial navigation.
The Furuno GP340 is a high-performance, compact GNSS GPS Receiver engineered for versatile use across various vessels. It features a powerful 75-channel GNSS core, delivering extremely accurate position fixes within 3 meters and boasting a 10 Hz refresh rate. This cost-effective sensor supports multiple satellite systems including GPS, GLONASS, Galileo, QZSS, and Beidou, along with SBAS corrections. Data output is available in either NMEA2000 or NMEA0183 formats, making it an excellent GPS sensor for NavNet and other demanding maritime or industrial applications requiring precise location data. It includes necessary hardware for deck or mast mounting.
$310.99
Owner Satisfaction
4.7
/ 5
Category Rank
3
/ 238
#3 in Marine Chartplotters & GPS
Price vs Category Average
-84%
Below average
Receiver Type
GPS, GLONASS, Galileo, QZSS, Beidou, SBAS
/ GPS, GLONASS, Galileo, QZSS, Beidou, SBAS
Who it's for
- Navigators requiring precise, reliable positioning for safe passage
- Commercial mariners needing equipment that survives harsh saltwater environments
- Captains who prefer straightforward navigation without complex digital menus
Who should skip it
- Cruisers who rely on advanced, built-in electronic charting software
- Users wanting high-resolution color displays for detailed chart visualization
- Owners looking to build a fully integrated NMEA 2000 network
Performance breakdown
Positioning Precision
Multi-constellation support ensures reliable accuracy within three meters in most conditions.
Data Refresh Rate
The 10 Hz update frequency provides smooth, real-time tracking for navigation.
Network Versatility
Dual NMEA2000 and NMEA0183 output ensures seamless integration with existing marine electronics.
Satellite Compatibility
Broad support for global systems guarantees a strong signal anywhere on Earth.
Installation Flexibility
Included hardware makes deck or mast mounting straightforward for any vessel.
Build Durability
Compact, rugged construction stands up to the demands of harsh maritime environments.
Key Specs
Receiver Type
GPS, GLONASS, Galileo, QZSS, Beidou, SBAS
Data Output
NMEA0183, NMEA2000
Position Accuracy
Within 3 meters
Refresh Rate
10 Hz
Power Input
12-24 VDC
Satellite Support
GPS (L1/L5), GLONASS (L1), Galileo (E1/E5), QZSS (L1/L5), Beidou (B1/B2)
SBAS Support
WAAS, EGNOS, MSAS, GAGAN
Included Cable
6-meter with NMEA2000 connector
Features
- High-performance positioning with 75-channel GNSS core
- Accurate position fixes within 3 meters
- Versatile NMEA2000/NMEA0183 data output
- Supports multiple global satellite systems
- Compact and cost-effective design
- Includes deck or mast mounting hardware
- Smooth tracking with 10 Hz update rate
- SBAS support for enhanced accuracy
What customers say
Users consistently praise the Furuno GP340 GNSS GPS Receiver for its exceptional reliability and accuracy in marine navigation. The core sentiment highlights robust performance, specifically rapid signal acquisition and maintaining a precise position fix even during challenging weather or signal obstruction. Professional mariners view this unit as a critical, dependable safety tool, often citing its proven durability and longevity. While the initial cost is premium, owners agree the investment is justified by flawless operation and a low failure rate compared to lesser alternatives. For essential, mission-critical GPS functionality, the GP340 is recognized as an industry workhorse that delivers unwavering trust and peace of mind on the water.
Know before you buy
The GP340 is a multi-constellation receiver that supports GPS, GLONASS, Galileo, QZSS, and Beidou. It also utilizes SBAS (WAAS, EGNOS, MSAS, and GAGAN) to provide enhanced positioning accuracy.
Yes, the unit is designed for versatility and supports both NMEA2000 and NMEA0183 data output formats. It includes a 6-meter cable with an NMEA2000 connector to simplify integration into modern marine networks.
A 10 Hz refresh rate means the receiver updates your position 10 times per second. This results in smooth, real-time tracking on your display, which is particularly beneficial when navigating at higher speeds or in tight channels.
The receiver comes with the necessary hardware for both deck and mast mounting. This flexibility allows you to choose the best installation point for optimal satellite reception on your specific vessel.
The Furuno GP340 provides highly reliable position fixes within 3 meters. This level of precision is suitable for most general navigation and industrial maritime applications.
Yes, the GP340 is engineered to be an excellent GPS sensor for NavNet systems. Its support for multiple protocols ensures it can serve as a reliable data source for your existing Furuno marine electronics.
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