The Furuno GP340 is a 75-channel GNSS receiver built for vessels of all types, delivering position accuracy within 3 meters at a 10 Hz refresh rate. It outputs data in NMEA2000 as standard, with NMEA0183 support available via an optional cable, making it a capable GPS sensor for NavNet and other precision-dependent maritime, industrial, and survey systems. Mounting hardware for deck or mast installation and a 6-meter NMEA2000 cable are included.

The GP340 supports the following satellite constellations:

• GPS (L1/L5)
• GLONASS (L1)
• Galileo (E1/E5)
• QZSS (L1/L5)
• Beidou (B1/B2)

SBAS augmentation is supported, including WAAS, EGNOS, MSAS, and GAGAN.

Specifications:

• Channels: 75-channel GNSS core
• Position Accuracy: Within 3 meters
• Refresh Rate: 10 Hz
• Data Output: NMEA2000 (standard); NMEA0183 (requires optional cable)
• Power Supply: 12–24 VDC
• Receiver Type: GPS, GLONASS, QZSS, SBAS/WAAS, Galileo, Beidou
• Cable Included: 6-meter cable with NMEA2000 connector
• Mounting: Deck or mast mounting hardware included

Resources

• Product Brochure (PDF)