AC4990TXF Multi-Constellation Full-Band Precision GNSS Antenna
GPS L1, L2, L5 | QZSS L6 | GALILEO E1, E5a, E5b, E6 | BEIDOU B1, B2a, B2b, B3 | GLONASS G1, G2, G3 | NavIC L5 + L-Band
Key Features:
- Very low noise preamp (2.5 dB typ.)
- Low axial ratio (< 1.0 dB typ.)
- Tight phase centre variation (≤ 2 mm)
- High-gain LNA (30 dB typ.)
- Low current (17 mA typ.)
- ESD circuit protection (15 kV)
- Invariant performance from 2.5 to 16 VDC
Description
Product Overview
The Calian AC4990TXF is a high-precision multi-constellation full-band GNSS antenna designed for demanding positioning applications that require stable, repeatable performance. Built on Accutenna 4 technology, it supports full GNSS band reception across major satellite constellations, including L-band correction services for high-accuracy positioning. The AC4990TXF uses a through-hole mounting design with TNC or N-Type connector options, making it well suited to permanent installations on vehicles, marine platforms, autonomous systems, machinery and fixed equipment.
Key Features
Full Band Multi Constellation GNSS Support
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Supports GPS, QZSS, GLONASS, Galileo, BeiDou and NavIC constellations
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Covers GPS/QZSS L1, L2 and L5 signals
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Supports QZSS L6, Galileo E6 and full band correction services
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Compatible with SBAS and L-band correction services for precision applications
Accutenna 4 Technology
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Precision tuned stacked patch antenna design
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Designed for strong multipath rejection and signal stability
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Stable phase centre performance for high accuracy positioning
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Suitable for RTK, PPP and correction based GNSS systems
Through-Hole Mount Design
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Through-hole mounting for secure permanent installation
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Suitable for vehicle roofs, marine equipment, machinery and fixed enclosures
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Available with TNC and N-Type female connector options
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Designed for applications requiring a robust mounted GNSS antenna
Extended Filtering Technology
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XF filtering helps reduce interference from LTE and nearby RF signals
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Protects GNSS reception in congested radio environments
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Helps maintain signal quality near wireless communication equipment
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Supports reliable operation in mobile and industrial deployments
High Accuracy Positioning Performance
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Designed for centimetre level positioning applications
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Supports high precision GNSS receivers and correction services
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Excellent signal tracking across multiple GNSS frequency bands
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Suitable for positioning, navigation and timing applications
Rugged Deployment Ready Construction
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Designed for long-term outdoor and mobile installations
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Suitable for industrial, transport, marine and autonomous platforms
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Supports reliable operation in demanding field environments
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Built for professional GNSS deployments requiring consistent performance
Applications and Use Cases
The AC4990TXF is suitable for:
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Autonomous vehicles and robotics
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Marine positioning and navigation
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Precision agriculture systems
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Machine control and construction equipment
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Fleet positioning and transport systems
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RTK and PPP GNSS applications
Dimensions/Drawings
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More Information
| Brand | Calian Group | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Specifications |
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Ordering Information
SKU: 33-AC4990TXF-xx
Where xx = connector type; 01 = TNC female, 14 = N-type female
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