Hemisphere GNSS A631 GNSS Smart Antenna
Multi-Frequency GNSS Smart Antenna with Scalable Accuracy
Hemisphere GNSS A631 GNSS Smart Antenna offers professional-level accuracy for a wide range of applications, including agriculture, marine, GIS, and mapping. Powered by Hemisphere’s Lyra™ II ASIC and Cygnus™ interference mitigation technology, it supports GPS, GLONASS, BeiDou, Galileo, QZSS, and Atlas® L-band corrections. With a rugged IP67-rated enclosure, scalable accuracy, and flexible mounting options, A631 delivers reliable GNSS performance in any environment.
A631 GNSS Smart Antenna Technical Specifications
GNSS Receiver | |
Receiver Type | Multi-Frequency GPS, GLONASS, BeiDou, Galileo, QZSS, and Atlas |
Signals Received | GPS L1CA/L1P/L1C/L2P/L2C/L5 GLONASS G1/G2/G3/P1/P2 BeiDou B1i/B2i/B3i/B10C/B2A/B2B/ACEBOC Galileo E1BC/E5a/E5b/E6BC/ALTBOC QZSS L1CA/L2C/L5/L1C/LEX/IRNS L5 Atlas |
Update Rate | 10 Hz standard, 20 Hz optional (with activation) |
Accuracy | |
Positioning | RMS (67%) |
Autonomous, no SA: | 1.2 m |
SBAS | 0.3 m |
Atlas H10 | 0.04 m |
Atlas H30 | 0.15 m |
Atlas Basic | 0.5 m |
RTK | 8 mm + 1 ppm |
Communications Ports | |
Ports | 2 full-duplex RS-232, CAN |
CAN Baud Rates | 4800 - 460,800 |
Correction I/O Protocol: | Hemisphere GNSS proprietary, RTCM v2.3 (DGPS), RTCM v3 (RTK) |
Data I/O Protocol | NMEA 0183, NMEA 2000, Hemisphere GNSS binary, Bluetooth 2.0 (Class 2), Wi-Fi |
Timing Output | 1 PPS, CMOS, active low, falling edge sync, 10 kΩ, 10 pF load |
Data & Storage | |
Storage Type | 16 GB (internal) |
Power | |
Input Voltage | 7-32 VDC |
Power Consumption | 2.0 W nominal (L1/L2 GPS/GLONASS; L-band) |
Current Consumption | 0.17 A nominal (L1/L2 GPS/GLONASS; L-band) |
Power Isolation | No |
Reverse Polarity Protection | Yes |
Antenna Voltage | Internal Antenna |
Mechanical | |
Dimensions | 15.8 L x 15.8 W x 7.9 H (cm) |
Weight: | < 1.05 kg |
Power/Data Connector | 12-pin male (metal) |
Antenna Mounting | 1-14 UNS-2A female adapter, 5/8-11 UNC2B adapter, flat mount available |
What Is the A631 GNSS Smart Antenna Used For?
Typical applications of the A631 GNSS Smart Antenna include:
Precision agriculture guidance and auto-steering
Machine control for construction and mining equipment
Autonomous vehicles and mobile robotics
Marine positioning and heading
Fleet management and telematics
Frequently Asked Questions
What is the A631 GNSS Smart Antenna?
Hemisphere GNSS A631 GNSS Smart Antenna offers professional-level accuracy for a wide range of applications, including agriculture, marine, GIS, and mapping. Powered by Hemisphere’s Lyra™ II ASIC and Cygnus™ interference mitigation technology, it supports GPS, GLONASS, BeiDou, Galileo, QZSS, and Atlas® L-band corrections.
What is the advantage of a smart antenna like the A631 GNSS Smart Antenna?
A smart antenna combines the GNSS receiver and antenna in one sealed housing, so the A631 GNSS Smart Antenna delivers positioning over a single cable interface without a separate receiver box — reducing installation time, cabling and integration effort.
Where is the A631 GNSS Smart Antenna available?
The A631 GNSS Smart Antenna is available through Leo Drive in the following region: Turkey. For other regions, please contact Leo Drive.
How can I get the datasheet and technical documents for the A631 GNSS Smart Antenna?
The datasheet, user manual and other technical documents for the A631 GNSS Smart Antenna are available on the manufacturer’s website. You can also contact Leo Drive for documentation and integration support.
Explore More at Leo Drive
The A631 GNSS Smart Antenna is part of the Smart GNSS Antennas range at Leo Drive. Browse all autonomous vehicle sensors and components, or talk to our engineering team about integration in your project.
