AJ977XF Anti-Jamming Triple Band GNSS Antenna
The AJ977XF Anti-Jamming antenna is designed to mitigate interference and jamming signals broadcast from near-ground-based transmitters.
Key Features:
- Great axial ratio (1.0 dB typ.)
- Low LNA noise (2.5 dB typ.)
- High-rejection XF Filtering
- High-gain LNA (40 dB typ.)
- Wide voltage input range (2.5 to 16 VDC)
- ESD circuit protection (15 kV)
- IP67 weather-proof housing
- RoHS and REACH compliant
- 20dB attenuation at 0-15° Elevation
Description
Product Overview
The Calian AJ977XF is a high-precision anti-jamming triple-band GNSS antenna designed for reliable positioning, navigation and timing in challenging RF environments. It supports multiple GNSS constellations across L1, L2 and L5 bands, delivering consistent and accurate signal reception even in the presence of interference. With advanced anti-jamming technology and extended filtering, the antenna is built to maintain performance in environments affected by ground-based transmitters, cellular signals and other sources of RF noise.
Key Features
Multi-Band GNSS Performance
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Supports GPS, GLONASS, Galileo, BeiDou and NavIC across multiple frequency bands
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Triple-band operation enables improved accuracy and positioning reliability
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High-gain active design with a low-noise amplifier for strong signal reception
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Excellent axial ratio for improved signal quality and precision
Advanced Anti-Jamming Technology
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Low elevation angle suppression reduces interference from ground-based sources
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Designed to operate effectively under jamming conditions
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Maintains strong signal reception from higher elevation satellites
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Improves reliability in urban, transport and high-interference environments
Signal Integrity and Filtering
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Extended filtering technology minimises out-of-band interference
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Strong resistance to LTE, satellite uplink and nearby RF signals
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Circular polarisation supports improved multipath rejection
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Maintains a high signal-to-noise ratio for accurate positioning
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, industrial and transport environments
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Resistant to vibration and shock for mobile applications
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Wide operating temperature range suitable for extreme conditions
Installation and Integration
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Through-hole mount design for secure installation
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Compatible with vehicle roofs, infrastructure and outdoor enclosures
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Supports standard GNSS receiver integration
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Wide voltage input range for flexible system compatibility
Applications and Use Cases
The AJ977XF is suitable for:
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Mission-critical 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-AJ977XF-xx
where xx = connector type, 01 = TNC (female), 14 = type-N (female)
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