GNSS dual-frequency high-precision antenna
Professional dual-band GNSS antenna supporting all major satellite systems including GPS L1/L2/L5, BDS B1/B2/B3, GLONASS L1/L2, and Galileo E1/E5/E6. Features 32dB LNA gain, millimeter-level phase center stability, and IP67 waterproof rating. Ideal for centimeter-level positioning in automotive, marine, and UAV applications.
Classification:
GNSS High-precision Positioning Antenna
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Product Description
Dual-Band High-Precision GNSS Antenna
Centimeter-level positioning for automotive, marine and UAV applications
Dual-Band Operation
Supports GPS L1/L2/L5, BDS B1/B2/B3, GLONASS L1/L2, Galileo E1/E5/E6
High Precision
Centimeter-level positioning with RTK support
Stable Phase Center
≤3mm phase center error for accurate measurements
Robust Design
IP67 waterproof, UV-resistant ABS+PC housing
Product Overview
This professional dual-band GNSS antenna provides comprehensive support for all major global navigation satellite systems including GPS, BeiDou, GLONASS, and Galileo across multiple frequency bands. Engineered for high-precision applications, it delivers centimeter-level positioning accuracy when used with compatible receivers and RTK base stations. The antenna's multi-feed design ensures exceptional phase center stability, while its robust construction guarantees reliable performance in demanding environments.
Key Features
Multi-System Compatibility
Supports all major GNSS constellations across multiple frequency bands
Exceptional Phase Center Stability
Multi-feed design ensures ≤3mm phase center error
High Gain Performance
L1: 4.0±0.5dBi, L2: 3.0±0.5dBi peak gain
Advanced Circuit Protection
ESD and overvoltage protection with out-of-band filtering
Rugged Construction
UV-resistant ABS+PC housing, IP67 waterproof rating
Excellent Low-Elevation Performance
+2dB circularity at ≥20° elevation for reliable satellite tracking
Technical Specifications
Antenna Parameters
| Frequency Range | GPS L1/L2/L5; BDS B1/B2/B3; GLONASS L1/L2; Galileo E1/E5/E6 |
|---|---|
| Peak Gain (L1 Band) | 4.0 ± 0.5dBi |
| Peak Gain (L2 Band) | 3.0 ± 0.5dBi |
| Polarization | RHCP |
| VSWR | <1.5 |
| Impedance | 50Ω |
| Radiation Pattern | 360° |
| Low Elevation Circularity | +2dB (elevation ≥20°) |
| Axial Ratio | ≤3dB |
| Phase Center Error | ≤3mm |
LNA Parameters
| LNA Gain | 32.0 ± 2.0dB |
|---|---|
| Noise Figure | ≤2.0dB |
| Input VSWR | <2.0 |
| Output VSWR | <2.0 |
| Impedance | 50Ω |
| Differential Delay | ≤5nS |
| Operating Voltage | 3.0V - 12.0V |
| Operating Current | ≤45mA |
Environmental & Mechanical
| Operating Humidity | 95% @ 40°C |
|---|---|
| Operating Temperature | -40°C to +80°C |
| Storage Temperature | -45°C to +85°C |
| Dimensions | 82mm × 73mm × 22mm |
| Cable Length | 3m RG174 |
| Connector | SMA-J |
| Weight | <200g |
| IP Rating | IP67 |
| Housing Material | ABS+PC (UV resistant) |
| Color | Black |
Applications
Automotive Navigation
High-precision positioning for vehicles and ADAS systems
Marine Navigation
Precise positioning for ships and marine vessels
UAV & Drones
Accurate positioning and navigation for unmanned systems
Surveying
High-accuracy geodetic and construction surveying
Precision Agriculture
Automated guidance for farming equipment
RTK Systems
Base station and rover applications
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