Details
Quadrifilar Helix Active Positioning Antenna
High gain | low Noise Figure
Supports Multiple GNSS such as GPS, BDS, GLONASS, and Galileo, etc.
Q25 GNSS Helical Antenna
Q25 version
Slim and elongated design, compact and lightweight structure
Q39 GNSS Helical Antenna
Q39 version
Wide-body design, stable and reliable signal performance
This series of products is a Quadrifilar Helix antenna in structure, features high gain and wide-angle circular polarization characteristics. Compared to traditional antennas, it can receive more low elevation satellite signals to enhance positioning performance, making it suitable for applications such as smart homes, smart agriculture, and high-precision mapping. It is recommended to purchase SMA Magnetic Mount Antenna Base with 3m extension cable, offering flexible installation and compatibility with various GNSS positioning modules.
- Quadrifilar Helix structure with wide-angle circular polarization characteristics, enhancing low-elevation satellite signal reception capability
- High gain and low noise figure design, supports multi-band, multi-system GNSS signal reception
- Compact size and lightweight, with flexible installation, making it suitable for a wide range of devices and application scenarios
- SMA connector, supports RF signal transmission and coaxial DC bias power supply
- IP67 waterproof, suitable for long-term stable operation in outdoor environments
| Module | Q25 | Q39 |
|---|---|---|
| Antenna Characteristics | ||
| Antenna type | Quadrifilar Helix antenna | |
| Frequency band |
GPS: L1/L2/L5 BDS: B1/B2a/B2b/B3i GLONASS: G1/G2 Galileo: E1/E5a/E5b |
|
| Gain | 2dB | 2.5dBi |
| Characteristics Impedance | 50Ω | |
| Polarization | RHCP (Right-Hand Circular Polarization) | |
| Covering Range | 360° | |
| Output VSWR | ≤2 | |
| Pear Axial Ratio | ≤3dB | |
| outline dimensions | 58.70 × Φ27.70 (mm) | 40.80 × Φ44.30 (mm) |
| Amplifier Characteristics | ||
| Gain | 37dB | 28dB |
| Noise Figure | 1.5dB | |
| Output VSWR | ≤2 | |
| Voltage | 3.3V ~ 16V DC | 3.0V ~ 16V DC |
| Current | 13mA | 15mA |
| Other Characteristics | ||
| Connector | SMA male | |
| Operating & storage temperature | -40℃ ~ +85℃ | |
| Waterproof | IP67 | |
Connecting to LG290P GNSS RTK Module
Q25 Version
Q39 Version
Connecting to LC29H(XX) GPS/RTK HAT
Q25 Version
Q39 Version
Connecting to ZED-F9P GPS-RTK HAT
Q25 Version
Q39 Version
* for reference only, the Raspberry Pi 5, SMA Magnetic Mount Antenna Base,
and RTK positioning module are NOT included
Smart Home
Smart Agriculture
High-Precision Mapping
Q25 Version
Q39 Version
Quick Overview
Q25 GNSS Helical Antenna
Q25 GNSS Helical Antenna x1
Q39 GNSS Helical Antenna
Q39 GNSS Helical Antenna x1
