TW3742AJ Accutenna® Anti-Jam Single-Band GNSS Antenna
Precision high-gain GNSS antenna built with Tallysman’s unique Accutenna® technology, providing single-band GPS/QZSS-L1, GLONASS-G1, Galileo-E1, and BeiDou-B1 coverage.
Key Features:
- Accutenna® technology
- Great axial ratio (2.0 dB typ.)
- Low LNA noise (3.0 dB typ.)
- High-rejection SAW filter
- High-gain LNA (40 dB typ.)
- Low current (19 mA typ.)
- Wide voltage input range (2.5 to 12 VDC)
- ESD circuit protection (15 kV)
- IP67 weather-proof housing
- RoHS and REACH compliant
Description
Product Overview
The Calian TW3742AJ Accutenna anti-jam antenna is a high-precision single-band GNSS antenna designed for reliable positioning and timing in challenging environments. It supports major GNSS constellations, including GPS, GLONASS, Galileo and BeiDou, delivering consistent signal reception where accuracy and stability are critical. With integrated anti-jam technology, the antenna is designed to reduce interference from low-angle signals, making it suitable for transport, public safety, surveying and mission-critical deployments.
Key Features
Precision GNSS Performance
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Supports GPS, GLONASS, Galileo and BeiDou on L1 band
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High-gain active design with an integrated low-noise amplifier
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Excellent axial ratio for improved signal quality and positioning accuracy
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Suitable for precision timing and high-accuracy positioning applications
Anti-Jam Technology
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Radiation pattern engineered to suppress signals from low elevation angles
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Reduces the impact of ground-based jamming and interference
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Improves signal reliability in urban or high-interference environments
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Enhances reception from satellites at higher elevation angles
Signal Integrity and Filtering
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Integrated filtering to minimise out-of-band interference
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Strong resistance to nearby cellular signal interference
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Circular polarisation for improved multipath rejection
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Maintains a strong signal-to-noise ratio in demanding conditions
Rugged Environmental Design
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IP67-rated enclosure for protection against water and dust
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Durable housing suitable for outdoor and industrial environments
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Resistant to vibration and shock for transport and mobile installations
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Wide operating voltage range for flexible system integration
Installation and Integration
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Permanent mount design with secure fixing options
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Suitable for vehicle roofs, infrastructure and outdoor enclosures
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Compatible with GNSS receivers and positioning systems
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Designed for long-term deployment in fixed or mobile applications
Applications and Use Cases
The TW3742AJ is suitable for:
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Precision positioning and timing systems
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Law enforcement and public safety
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Fleet tracking and transport systems
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Surveying and geospatial applications
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Industrial and infrastructure monitoring
Dimensions Drawings
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More Information
| Brand | Calian Group | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Specifications |
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Ordering Information
Part Number 33-TW3742AJ-xx-y-zzzz
where xx = connector type, y = W - White Radome, G - Grey Radome, and zzzz = cable length in mm
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