Details
Quadrifilar Helix Active Positioning Antenna
High gain | low Noise Figure
Supports Multiple GNSS such as GPS, BDS, GLONASS, and Galileo, etc.
Q23 GNSS Helical Antenna
Q23 version
Slim and elongated design, compact and lightweight for easy portability
Q25 GNSS Helical Antenna
Q25 version
Slim and elongated design, low power consumption, flexible installation
Q39 GNSS Helical Antenna
Q39 version
Wide-body design, multi-band support, stable and reliable
Q50 GNSS Helical Antenna
Q50 version
Wide-body design, high gain with wide frequency coverage
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 | Q23 | Q25 | Q39 | Q50 |
|---|---|---|---|---|
| Antenna Characteristics | ||||
| Antenna type | Quadrifilar Helix antenna | |||
| Frequency band |
GPS: L1/L2/L5 BDS: B1/B2a/B2b GLONASS: G1/G2 Galileo: E1/E5a/E5b |
GPS: L1/L2/L5 BDS: B1/B2a/B2b/B3i GLONASS: G1/G2 Galileo: E1/E5a/E5b |
GPS: L1/L2/L5 BDS: B1/B2a/B2b/B3i GLONASS: G1/G2 Galileo: E1/E5a/E5b L-Band |
GPS: L1/L2/L5 BDS: B1/B2a/B2b/B3i GLONASS: G1/G2 Galileo: E1/E5a/E5b/E6 L-Band |
| Gain | 2dB | 2.5dBi | 3dBi | |
| Characteristics Impedance | 50Ω | |||
| Polarization | RHCP (Right-Hand Circular Polarization) | |||
| Covering Range | 360° | |||
| Output VSWR | ≤2 | |||
| Pear Axial Ratio | ≤3dB | |||
| outline dimensions | 56 × Φ23 (mm) | 58.70 × Φ27.70 (mm) | 40.80 × Φ44.30 (mm) | 42.16 × Φ50 (mm) |
| Amplifier Characteristics | ||||
| Gain | 28dB | 37dB | 28dB | |
| Noise Figure | < 1.5dB | < 2dB | ||
| 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
Q23 Version
Q25 Version
Q39 Version
Q50 Version
Connecting to LC29H(XX) GPS/RTK HAT
Q23 Version
Q25 Version
Q39 Version
Q50 Version
Connecting to ZED-F9P GPS-RTK HAT
Q23 Version
Q25 Version
Q39 Version
Q50 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
Q23 Version
Q25 Version
Q39 Version
Q50 Version
Weight: 0.016 kg
Quick Overview
Q23 GNSS Helical Antenna
Q23 GNSS Helical Antenna x1
Q25 GNSS Helical Antenna
Q25 GNSS Helical Antenna x1
Q39 GNSS Helical Antenna
Q39 GNSS Helical Antenna x1
Q50 GNSS Helical Antenna
Q50 GNSS Helical Antenna x1
