Hemisphere GNSS A21 / A31 Antenna is designed for precision GNSS positioning, supporting GPS, GLONASS, BeiDou, Galileo, SBAS, and L-Band signals. With advanced multi-path mitigation and 30 dB noise filtering, they ensure reliable signal tracking even in challenging environments. Housed in IP69K-rated enclosures, these antennas are ideal for use with Hemisphere GNSS Crescent® and Crescent Vector™ II receivers, providing durability and superior performance.

What Is the A21/A31 Antenna Used For?

Typical applications of the A21/A31 Antenna include:

• RTK and high-precision positioning for autonomous machines

• UAV, drone and robotics navigation

• Automotive testing, telematics and fleet tracking

• Marine navigation and heading systems

• Surveying, mapping and precision agriculture

Frequently Asked Questions

What is the A21/A31 Antenna?

Hemisphere GNSS A21 / A31 Antenna is designed for precision GNSS positioning, supporting GPS, GLONASS, BeiDou, Galileo, SBAS, and L-Band signals. With advanced multi-path mitigation and 30 dB noise filtering, they ensure reliable signal tracking even in challenging environments.

Which GNSS signals does the A21/A31 Antenna support?

Supported constellations and frequency bands are listed in the specifications table above. Matching the antenna to your receiver’s supported signals is the key selection criterion — contact Leo Drive if you need help pairing the A21/A31 Antenna with your GNSS receiver.

Where is the A21/A31 Antenna available?

The A21/A31 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 A21/A31 Antenna?

Please contact Leo Drive to request the datasheet, user manual and other technical documents for the A21/A31 Antenna.

Explore More at Leo Drive

The A21/A31 Antenna is part of the GNSS Antennas range at Leo Drive. Browse all autonomous vehicle sensors and components, or talk to our engineering team about integration in your project.