Semantic Coherence: FURUNO ELECTRIC CO., LTD. – Signal Evidence & AI Readability

[IMG: NavNetTZtouchXL]

[IMG: F3D-S]

[IMG: DFF-3D]

[IMG: GNSS Timing Technology with Superior Accuracy - Vital for 5G Network Success -]

[IMG: Towards the digital transformation of ships, Full Ahead]

[IMG: FR-10_FR-12]

[H2] Marine Solutions

Recreational Boats
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Navigational Equipment Training

[H2] Land-based Solutions

GPS/GNSS Receiver Chips and Modules(For Positioning and Timing)
Medical Equipment
FURUNO's Meteorological Monitoring and Analysing System

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[H2] Digital Transformation

Furuno presents its solutions for autonomous navigation with the most advanced technologies to ensure safe and efficient travel at sea.

[H2] FURUNO Technology

FURUNO advanced technology continues to evolve.

[H2] NavNet TZtouchXL

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[H2] DRS X-Class series

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[H1] News Topics

Corporate
May 14, 2026
MoU signed with Icom to launch Radio and Radar collaboration

Exhibition
May 14, 2026
Furuno Conducted a Booth Exhibition at WSTS

Exhibition
Apr 30, 2026
Introduction of Clinical Chemistry Analyzer at THE 17TH CPD-CPLM JOGLOSEMAR 2026

News
Apr 24, 2026
Four demonstration vessels obtain Japanese government certification as autonomous ships in MEGURI2040 Stage 2

Exhibition
Apr 21, 2026
Furuno to exhibit at WSTS, North America’s leading timing & sync event

News
Mar 31, 2026
World’s first commercial operation of autonomous container ship with level 4 capability

Exhibition
Mar 25, 2026
Furuno to exhibit at Asia Pacific Maritime (APM) 2026

Product
Mar 16, 2026
GMDSS Radio Rack Console　RC-2024

All News Topics

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Support Information

[H1] Support Information

[H2] Marine Solutions

[H3] Recreational Boats

Support for Legacy Products
Brochure Download
Manual Download
Software Download
Furuno Marine Sensor SDK
Warranty
RoHS/UKCA Declaration of Conformity
RED/UKCA Declaration of Conformity
Disclosure of Information about China RoHS
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[H3] Merchant Marine

Support for Legacy Products
Brochure Download
Furuno Marine Sensor SDK
Service Provision Scheme
RoHS/UKCA Declaration of Conformity
RED/UKCA Declaration of Conformity
Disclosure of Information about China RoHS
Contact Us

[H3] Fishing Vessels

Support for Legacy Products
Brochure Download
Manual Download
Furuno Marine Sensor SDK
RoHS/UKCA Declaration of Conformity
RED/UKCA Declaration of Conformity
Disclosure of Information about China RoHS
Contact Us

[H3] Workboats

Support for Legacy Products
Brochure Download
Manual Download
Furuno Marine Sensor SDK
RoHS/UKCA Declaration of Conformity
RED/UKCA Declaration of Conformity
Disclosure of Information about China RoHS
Contact Us

[H3] Coastal Monitoring System

Contact

[H3] Navigational equipment training

Contact

[H2] Land-based Solutions

[H3] GPS/GNSS Receiver Chips & Modules(For Positioning and Timing)

Old/Discontinued Products
Brochure Download
Downloads (Documents, Software)
Frequently Asked Questions
Contact Us

[H3] Medical

Discontinued Products
Brochure Download
Contact Us

[H3] Meteorological monitoring and analysing system

Brochure Download
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[H1] Locate a Distributor

[H2] Select Distributors by Market

> Marine Equipment
> GPS/GNSS Receiver Chips & Modules(For Positioning and Timing)

> Medical Equipment
> Meteorological monitoring and analysing system

[H2] FURUNO Sales & Service Network

FURUNO ELECTRIC CO., LTD.
Nishinomiya, Hyogo, Japan

FURUNO U.S.A., INC.
Camas,Washington,U.S.A.

FURUNO PANAMA, S.A.
Panamá, Republica de Panama

FURUNO (UK) LTD.
Havant,Hampshire,U.K.

FURUNO NORGE A/S
Alesund,Norway

FURUNO DANMARK A/S
Hvidovre,Denmark

FURUNO SVERIGE AB
Vastra Frolunda,Sweden

FURUNO FINLAND OYEspoo,Finland

FURUNO POLSKA Sp. z o.o.
Gdynia,Poland

FURUNO DEUTSCHLAND GmbH
Rellingen,Germany

FURUNO FRANCE S.A.S.
Merignac,France

FURUNO ESPAÑA, S.A
Madrid,Spain

FURUNO ITALIA S.R.L.
Gatteo Mare, Italy

FURUNO HELLAS S.A.
Glyfada, Greece

FURUNO (CYPRUS) LTD
Limassol, Cyprus

FURUNO SHANGHAI CO.,LTD.
Shanghai, China

FURUNO CHINA CO., LIMITED
Hong Kong

FURUNO KOREA CO., LTD.
Busan, Korea

FURUNO SINGAPORE PTE LTD
Singapore

PT FURUNO ELECTRIC INDONESIA
Jakarta, Indonesia

FURUNO ELECTRIC (MALAYSIA) SDN. BHD.
Selangor, Malaysia

ELECTRONIC NAVIGATION LIMITED
Auckland, New Zealand

Home

GPS/GNSS Receiver Chips & Modules (For Positioning and Timing)

[H1] GPS/GNSS Receiver Chips & Modules(For Positioning and Timing)

[IMG: GPSDO/GNSSDO]

[GNSS Chips & Modules] Technical Documents (Specifications etc.) & Software
Hardware Specifications / Protocol Specifications / Monitoring Software etc.

White Paper: Countermeasure for GNSS receiver failure
Multipath / Jamming / Spoofing / Interruption of GNSS signal

(White Paper)Dual Band GNSS Receivers: Safeguarding Critical Infrastructure
Outstanding features of GT-100

(Article) Supporting Industrial and Societal DX Through Time Synchronization
PDF download

[H2] GPS / GLONASS / Galileo / SBAS / QZSS Receivers for Positioning and Timing markets.
FURUNO GNSS/GPS Chips and GNSS/GPS Modules support Positioning and Timing solutions, enabled to receive signals of almost all GNSS Systems available. We also support Dead Reckoning (DR), High Positioning Rate (e.g. 10Hz) for positioning. For timing solutions, our products are also capable of 1PPS output as well as Clock output functionality(configurable to, e.g. 10MHz) and data output in NMEA or M12 (Motorola) Binary protocol.

[H2] Products

Timing
Automotive / Industrial
GPS(GNSS) Antennas

Introduction to the FURUNO's latest GPS Solutions for Telematics, Communications, Vehicle Location and Tracking.
Introduction to the FURUNO's latest GPS solutions for Timing and Synchronization.

[H3] GPS/GNSS Receiver Module

NEW
[IMG: Model:GT-100]

[H4]
Timing Multi-GNSS Receiver Module
Model
GT-100
Achieves the world's highest robustness and stability by receiving dual band(L1/L5)

NEW
[IMG: Model:GT-90]

[H4]
Timing Multi-GNSS Receiver Module
Model
GT-90/GT-9001
Achieves the world's highest stability, less than 4.5 ns (1σ), under open-sky conditions, with a L1 single band receiver

[IMG: Model:GT-88]

[H4]
Timing Multi-GNSS Receiver Module
Model
GT-88
Extremely high stability of 4.5ns (1sigma) using a single band receiver

[IMG: Model:GF-8801]

[H4]
Multi-GNSS Disciplined Oscillator
Model
GF-8801/02/03
Ultra-small size form factor featuring atomic clock level frequency stability with 24h holdover.

[IMG: Model:GF-8805]

[H4]
Multi-GNSS Disciplined Oscillator
Model
GF-8804/05
Atomic clock class stability GNSSDO
24-hour holdover performance comparable to Rubidium

[IMG: Model:GF-8048]

[H4]
GPS Disciplined Oscillator
Model
GF-8048
The GF-8048, GPS Disciplined Oscillator, is designed specifically for digital terrestrial broadcasting applications.

[IMG: Model:TB-1]

[H4]
Field Time Sync Generator
Model
TB-1
Just connect to your usual instrument.
Light, fast, accurate! Palm sized “Atomic Clock”

Introduction to the FURUNO's latest GPS Solutions for Telematics, Communications, Vehicle Location and Tracking.
Introduction to the FURUNO's latest GPS solutions for Timing and Synchronization.

[H3] GPS/GNSS Receiver Chip

NEW
[IMG: Model:ePV9000B]

[H4]
Dual-band GNSS Receive Chip eRideOPUS 9
Model
ePV9000B
World's best-in-class 50cm position accuracy using standalone method!

[H3] GPS/GNSS Receiver Module

[IMG: Model:GN-87]

[H4]
Multi-GNSS Receiver Module
Model
GN-87
Concurrent Multi-GNSS Receiver Module
*This product is not available for new purchase.

[H3] GPS（GNSS）Antennas

NEW
[IMG: Model:AU-500]

[H4]
Multi-GNSS Timing Antennas
Model
AU-500/AU-300
AU-500 dual band antenna for high robustness and AU-300 single band antenna for excellent cost performance

[IMG: Model:AU-217]

[H4]
Multi-GNSS antenna (For Timing)
Model
AU-217
Antenna for GPS, GLONASS, Galileo and QZSS reception.
Ideal for use in difficult site enviorments including urban areas, weather and RF interference areas

[IMG: Model:GPA-014]

[H4]
GPS Antenna (For Timing)
Model
GPA-014
Antenna for GPS, Galileo and QZSS L1 (1575.42MHz) reception.
Ideal for use in location with frequent/heavy snowfalls

NEW
[IMG: Model:AFB-01]

[H4]
Antenna Mounting kit
Model
AFB-01
Secure pole or mast mount of AU-500/AU-300 antennas

[IMG: Model:CP20_PM001]

[H4]
Antenna Fixing Bracket
Model
CP20-01111/CP20-00403/PM-001
GPS/GNSS antenna can be firmly fixed to the building

NEW
[IMG: Model:TVA-05V]

[H4]
GNSS Surge Protector
Model
TVA-05V
Protect Critical Infrastructure from Lightning Surges

[IMG: Model:TVA-03]

[H4]
Coaxial lightning arrestor
Model
TVA-03C/TVA-03V
Protect GPS/GNSS receiver from lightning surges

[IMG: Model:AU-18]

[H4]
Multi-GNSS antenna
Model
AU-18
Antenna for GPS signal (L1 band) and GLONASS (G1 band) reception

[IMG: Model:AU-15]

[H4]
GPS Antenna
Model
AU-15
Antenna for GPS signal reception

[H2] Case Studies

Automated emergency response systems (eCall / ERA-GLONASS)
[IMG: For Automotive/Industrial]

Smart grid and GPS/GNSS timing solutions
[IMG: For Timing]

Grand Master Clock and GPS/GNSS timing solutions
[IMG: For Timing]

GT in Pmod™ module (NetTimeLogic)NEW
[IMG: For Timing]

Outdoor Time Synchronization: Measurement of Radio Propagation in Outdoor Mobile Communication Environment (Niigata University)
[IMG: For Timing]

Time Synchronization Between Radio Telescopes: Toward Observing Radio Waves from Exoplanets (Tohoku University)NEW
[IMG: For Timing]

Community broadcasting Synchronization [Multi-GNSS Disciplined Oscillator]
[IMG: For Timing]

FURUNO Timing and Synchronization technology adopted base stations for Digital Terrestrial Television Broadcasting
[IMG: For Timing]

FURUNO Timing and Synchronization technology adopted base station for mobile telecommunications
[IMG: For Timing]

FURUNO Timing and Synchronization technology adopted for seismometer
[IMG: For Timing]

[H2] Technology

What is GPS?

[IMG: For Automotive/Industrial]

[IMG: For Timing]

Multi-GNSS (Multi-frequency GNSS)

[IMG: For Automotive/Industrial]

[IMG: For Timing]

Supporting Android™

[IMG: For Automotive/Industrial]

Dead Reckoning(DR)

[IMG: For Automotive/Industrial]

Advanced Multipath Mitigation

[IMG: For Automotive/Industrial]

[IMG: For Timing]

Active Anti-Jamming

[IMG: For Automotive/Industrial]

[IMG: For Timing]

Anti-jamming performance of FURUNO Multi-GNSS timing receivers

[IMG: For Timing]

Positioning at 10Hz update rate

[IMG: For Automotive/Industrial]

Self-ephemeris™

[IMG: For Automotive/Industrial]

AGNSS (Assisted GNSS)

[IMG: For Automotive/Industrial]

[IMG: For Timing]

High sensitivity GPS

[IMG: For Automotive/Industrial]

[IMG: For Timing]

FURUNO GPS/Multi-GNSS Disciplined Oscillator (GPSDO/GNSSDO)

[IMG: For Timing]

GPS/GNSS Glossary

[IMG: For Timing]

A Vendor's Mission to Preserve Trust in GNSS: Stalwart Defenses Against Jamming and Other InterferenceNEW

[IMG: For Timing]

Strengthening Critical Global Infrastructure: Ushering in an Era of Dual Band GNSS Signal Reception for Time Synchronization

[IMG: For Timing]

Introduction to GV series products(Flash film contents)

[IMG: For Automotive/Industrial]

What is Frequency generator?(Flash film contents)

[IMG: For Timing]

[H2] Column

[H3] FURUNO Column

Common Problems That Affect GPS/GNSS Time Synchronization
[IMG: For Timing]

How to select GPS/GNSS antennas for time synchronization
[IMG: For Timing]

[H3] Column by Mr. Mitsunari Kita  (Science and technology writer)

The Observation Network Created by the Earthquake Proves Useful for Accurate Timekeeping (Part Two of Two) - A Solution to the "Mr. Higgins Problem" in Space -
[IMG: For Timing]

The Observation Network Created by the Earthquake Proves Useful for Accurate Timekeeping (Part One of Two)
[IMG: For Timing]

FURUNO ELECTRIC Joins Experts From Around the World on a Norwegian Island for Jammertest 2024
[IMG: For Timing]

Unraveling the Mysteries of Venus Based on "Occultation"
[IMG: For Timing]

Atoms as the Basis for Measuring Both Fleeting Moments and Near-Eternities
[IMG: For Timing]

Time Progressing with a Speed Difference of Just 4.4647 Ten-Billionths!
[IMG: For Timing]

Critters Who Revitalize Forests Through the Spreading of Food Caches
[IMG: For Timing]

Small But Significant Variances in Gravity and Time (Part Two of Two)
[IMG: For Timing]

Small But Significant Variances in Gravity and Time (Part One of Two)
[IMG: For Timing]

Why the GT-100 Time-synchronization GNSS Receiver Module is Like Fragrant Soup Curry
[IMG: For Timing]

What Rainbows Can Teach Us About Dual-Band GNSS
[IMG: For Timing]

The Amazing Things That Are Possible With Just a Clock
[IMG: For Timing]

When Subterranean Earth Meets Outer Space
[IMG: For Timing]

Using the TB-1 and GT-100 at a "Multipath Dojo" in the Major Metropolis of Osaka
[IMG: For Timing]

The Disaster-struck Field Time Sync Generator TB-1: True Performance Revealed Through a Lightning Strike
[IMG: For Timing]

Knowing the "Now" of Our Earth Through GNSS
[IMG: For Timing]

The Reason GPS Counts Time in 1.5-second Intervals
[IMG: For Timing]

Similarities Between "On My Count!," the 117 Notification System, and GPS
[IMG: For Timing]

Reliable Clocks Help Us Find a Silver of the Clouds
[IMG: For Timing]

Why Time Synchronization is Vital for Criminal Investigations, Seismograph Measurements and Solar Wind Observation
[IMG: For Timing]

What Was "Cesium" About Cesium Akina?
[IMG: For Timing]

Updating Analog Broadcasting with GNSS Time Synchronization Technology
[IMG: For Timing]

The Long History of One Second (Part II)
[IMG: For Timing]

The Long History of One Second (Part I)
[IMG: For Timing]

A Solo Journey - Three-liter Microsatellite Mission Support via GPS (GNSS) and Satellite Communication -
[IMG: For Automotive/Industrial]

A Solo Journey - The GPS (GNSS) Tracking System That Helped Kenichi Horie Cross the Pacific -
[IMG: For Automotive/Industrial]

The Day After a Superflare - Effects on power and wireless communication infrastructures -
[IMG: For Timing]

[H2] News Topics

Exhibition
May 14, 2026
Furuno Conducted a Booth Exhibition at WSTS

Exhibition
Apr 21, 2026
Furuno to exhibit at WSTS, North America’s leading timing & sync event

Product
Feb 25, 2026
[GPS/GNSS Technology] A Vendor's Mission to Preserve Trust in GNSS: Stalwart Defenses Against Jamming and Other Interference

News
Feb 3, 2026
Furuno and Xona Space Systems sign MoU to develop innovative LEO PNT solutions

Product
Dec 18, 2025
Adding authentication features to GNSS receivers for time synchronization, significantly enhancing anti-jamming and anti-spoofing measures