Calian TW3997 Embedded Multi-Constellation Full-Band GNSS Antenna
Embedded Antenna for Multi-Constellation GNSS Applications
Calian TW3997 Embedded Multi-Constellation Full-Band GNSS Antenna is an embedded full-band GNSS antenna designed for precise multi-constellation positioning, covering GPS, GLONASS, Galileo, BeiDou, NavIC, and L-Band correction services. Featuring Accutenna® technology and a high-gain LNA, it ensures superior signal quality with strong multipath rejection. Ideal for applications like autonomous vehicles, precision agriculture, and RTK surveying, TW3997 provides reliable performance in demanding environments.
TW3997 Embedded Multi-Constellation Full-Band GNSS Antenna Technical Specifications
GNSS Coverage | |
GPS / QZSS | L1/L2/L5 |
GLONASS | G1/G2/G3 |
Galileo | E1/E5A/E5B/E6 |
BeiDou | B1/B2/B2a/B3 |
IRNSS / NavIC | L5 |
QZSS | L6 |
L-Band Services (1525 MHz - 1559 MHZ) | 3.5 dBic typ. at Zenith (Gain) |
Low Noise Amplifier (LNA) | |
Architecture | Pre-filter |
Gain | 28 dB typ. | 26 dB min. |
Noise Figure | 2.5 dB typ. @ 25 °C |
Supply Voltage Range | 2.5 to 16 VDC nominal, up to 50mV p-p ripple |
Supply Current | 24 mA typ. @ 25 °C |
Mechanicals | |
Size | 60 mm (dia.)iameter, 0.75 mm thick |
Weight | 75 g |
Radome | - |
Mount | - |
Available Connectors | Please refer to ordering guide |
Why Choose the TW3997 Embedded Multi-Constellation Full-Band GNSS Antenna?
Very low noise preamp < 2.5 dB • Axial ratio: < 2.0 dB typ.
Excellent multipath rejection
Increased system accuracy
Excellent signal-to-noise ratio
What Is the TW3997 Embedded Multi-Constellation Full-Band GNSS Antenna Used For?
Typical applications of the TW3997 Embedded Multi-Constellation Full-Band GNSS 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
Ordering Information
Part Number: 33-3997-xx-zzzz
Where xx = connector type and zzzz = cable length in mm (where applicable)
Please refer to Tallysman's Ordering Guide to review available radomes and connectors at: https://www.tallysman.com/resource/tallysman-ordering-guide/
Frequently Asked Questions
What is the TW3997 Embedded Multi-Constellation Full-Band GNSS Antenna?
Calian TW3997 Embedded Multi-Constellation Full-Band GNSS Antenna is an embedded full-band GNSS antenna designed for precise multi-constellation positioning, covering GPS, GLONASS, Galileo, BeiDou, NavIC, and L-Band correction services. Featuring Accutenna® technology and a high-gain LNA, it ensures superior signal quality with strong multipath rejection.
Which GNSS signals does the TW3997 Embedded Multi-Constellation Full-Band GNSS 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 TW3997 Embedded Multi-Constellation Full-Band GNSS Antenna with your GNSS receiver.
Where is the TW3997 Embedded Multi-Constellation Full-Band GNSS Antenna available?
The TW3997 Embedded Multi-Constellation Full-Band GNSS 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 TW3997 Embedded Multi-Constellation Full-Band GNSS Antenna?
The datasheet, user manual and other technical documents for the TW3997 Embedded Multi-Constellation Full-Band GNSS 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 TW3997 Embedded Multi-Constellation Full-Band GNSS 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.
