Calian TW3872 Dual-Band GNSS Antenna (Pre-Filtered)
Enhanced Signal Quality for Critical GNSS Applications
Calian TW3872 Dual-Band GNSS Antenna is a dual-band GNSS antenna designed for precision GPS-L1/L2, GLONASS-G1/G2, BeiDou B1, and Galileo E1 applications. Featuring Accutenna® technology, it offers excellent signal quality with a pre-filtered low-noise amplifier and strong out-of-band rejection. Housed in a weatherproof enclosure, TW3872 is ideal for mission-critical GPS timing and RTK surveying in challenging environments.
TW3872 Dual-Band GNSS Antenna Technical Specifications
GNSS Coverage | |
GPS / QZSS | L1/L2 |
GLONASS | G1/G2 |
Galileo | E1 |
BeiDou | B1 |
IRNSS / NavIC | - |
QZSS | - |
L-Band Services (1525 MHz - 1559 MHZ) | - |
Low Noise Amplifier (LNA) | |
Architecture | Pre-filtered |
Gain | 35 dB typ, 32 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 |
Max. Input Power | 24 mA typ. @ 25 °C, 25 mA max. at 75 °C. |
Mechanicals | |
Size | 66 mm (dia.) x 21 mm (h.) 100 mm ground plane provided |
Weight | 185 g |
Radome | Radome: EXL9330 , Base: Zamak White Metal |
Mount | 19 mm through hole |
Available Connectors | Please refer to ordering guide |
Why Choose the TW3872 Dual-Band GNSS Antenna?
Ideal for L1/L2 RTK surveying systems
Great multipath rejection
Increased system accuracy
Great signal-to-noise ratio
IP67, REACH, and RoHS compliant
What Is the TW3872 Dual-Band GNSS Antenna Used For?
Typical applications of the TW3872 Dual-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: 33-3872-xx-yy-zzzz
Where xx = connector type, yy = shape and colour of radome and zzzz = cable length in mm
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 TW3872 Dual-Band GNSS Antenna?
Calian TW3872 Dual-Band GNSS Antenna is a dual-band GNSS antenna designed for precision GPS-L1/L2, GLONASS-G1/G2, BeiDou B1, and Galileo E1 applications. Featuring Accutenna® technology, it offers excellent signal quality with a pre-filtered low-noise amplifier and strong out-of-band rejection.
Which GNSS signals does the TW3872 Dual-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 TW3872 Dual-Band GNSS Antenna with your GNSS receiver.
Where is the TW3872 Dual-Band GNSS Antenna available?
The TW3872 Dual-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 TW3872 Dual-Band GNSS Antenna?
The datasheet, user manual and other technical documents for the TW3872 Dual-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 TW3872 Dual-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.
