Calian HC977 Triple-Band Helical Antenna with L-Band
High-Precision GNSS Antenna for Demanding Applications
Calian HC977 Triple-Band GNSS Helical Antenna is designed for precision GNSS positioning, supporting GPS, GLONASS, Galileo, BeiDou, NavIC, and L-Band correction services. Weighing only 42 grams, it delivers excellent axial ratios and does not require a ground plane, making it ideal for UAVs, fleet management, and mission-critical GNSS applications. Its robust IP69K-rated enclosure ensures reliable performance in harsh environments.
HC977 Triple-Band Helical Antenna with L-Band Technical Specifications
GNSS Coverage | |
GPS / QZSS | L1, L2, L5 |
GLONASS | G1, G2, G3 |
Galileo | E1, E5A, E5B |
BeiDou | B1, B2, B2a |
IRNSS / NavIC | L5 |
QZSS | - |
L-Band Services (1525 MHz - 1559 MHZ) | 1.5 dBic typ. at Zenith (Gain) |
Low Noise Amplifier (LNA) | |
Gain | 28 dB typ. | 35 dB typ. |
Noise Figure | 1.6 dB typ. |
Supply Voltage Range | 2.2 to 16 VDC |
Supply Current | 15 mA typ. (28 dB) | 21 mA typ. (35 dB) |
Mechanicals | |
Size | 44.2 mm (dia.) x 62.4 mm (h.) |
Weight | 42 g |
Radome | 3x M2.5 screws |
Mount | SMA (male) |
Available Connectors | Radome and Base: EXL9330 |
Why Choose the HC977 Triple-Band Helical Antenna with L-Band?
Extremely lightweight (42 g)
Ideal for RTK and PPP surveying systems
Excellent RH circular polarized signal reception
Great multipath rejection
Increased system accuracy
Excellent signal-to-noise ratio
Industrial temperature range
Rugged design, ideal for harsh environments
What Is the HC977 Triple-Band Helical Antenna with L-Band Used For?
Typical applications of the HC977 Triple-Band Helical Antenna with L-Band 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-HC977-xx
where xx = gain (28 or 35 dB)
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 HC977 Triple-Band Helical Antenna with L-Band?
Calian HC977 Triple-Band GNSS Helical Antenna is designed for precision GNSS positioning, supporting GPS, GLONASS, Galileo, BeiDou, NavIC, and L-Band correction services. Weighing only 42 grams, it delivers excellent axial ratios and does not require a ground plane, making it ideal for UAVs, fleet management, and mission-critical GNSS applications.
Which GNSS signals does the HC977 Triple-Band Helical Antenna with L-Band 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 HC977 Triple-Band Helical Antenna with L-Band with your GNSS receiver.
Where is the HC977 Triple-Band Helical Antenna with L-Band available?
The HC977 Triple-Band Helical Antenna with L-Band 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 HC977 Triple-Band Helical Antenna with L-Band?
The datasheet, user manual and other technical documents for the HC977 Triple-Band Helical Antenna with L-Band are available on the manufacturer’s website. You can also contact Leo Drive for documentation and integration support.
Explore More at Leo Drive
The HC977 Triple-Band Helical Antenna with L-Band 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.
