AC4990PXF 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 AC4990PXF is a high precision multi constellation full band GNSS antenna designed for surveying, machine control, precision agriculture, autonomous systems and other demanding positioning applications. Built on Accutenna 4 technology, it provides full spectrum GNSS coverage, strong multipath rejection and stable phase centre performance. The AC4990PXF features a standard 5/8"-11 survey mount, making it ideal for RTK, PPP and high accuracy positioning systems where repeatable performance and measurement precision are critical.
Key Features
Full Band Multi Constellation GNSS Support
-
Supports GPS, QZSS, GLONASS, Galileo, BeiDou and NavIC constellations
-
Compatible with L1, L2, L5, L6 and full band GNSS signals
-
Supports regional SBAS correction services
-
Compatible with L-band correction services for high accuracy positioning applications
Accutenna 4 Technology
-
Advanced stacked quad feed antenna architecture
-
Designed for superior multipath rejection and signal quality
-
Stable phase centre performance for precision positioning applications
-
Optimised for RTK and PPP deployments requiring repeatable accuracy
Precision Survey Mount Design
-
Standard 5/8"-11 threaded survey mount
-
Suitable for survey poles, tripods and geospatial equipment
-
Designed for professional surveying and mapping applications
-
Rugged construction for field deployment environments
Extended Filtering Technology
-
XF filtering technology reduces interference from LTE and nearby RF sources
-
Helps maintain GNSS signal integrity in congested RF environments
-
Improves receiver performance in challenging deployment locations
-
Designed for reliable operation near modern wireless infrastructure
High Accuracy Positioning Performance
-
Supports RTK and PPP correction services
-
Optimised for centimetre level positioning applications
-
Excellent signal tracking across multiple GNSS bands
-
Suitable for precision navigation and timing systems
Rugged Deployment Ready Construction
-
Designed for demanding outdoor environments
-
Suitable for surveying, agriculture and autonomous vehicle applications
-
Reliable operation in long term field installations
-
Built for professional GNSS deployments requiring consistent performance
Applications and Use Cases
The AC4990PXF is suitable for:
-
Land surveying and geospatial mapping
-
Precision agriculture systems
-
Autonomous vehicles and robotics
-
Machine control and construction equipment
-
High accuracy GNSS reference stations
-
RTK and PPP positioning applications
Dimensions/Drawings
Download
More Information
| Brand | Calian Group | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Specifications |
|
Ordering Information
SKU: 33-AC4990PXF-xx
Where xx = connector type; 01 = TNC female, 14 = N-type female
Need something specific?
We build to order.
We can customise any solutions according to your specifications. Click below to learn more
and contact us.