Full-Band GNSS
Tracks GPS/QZSS, GLONASS, Galileo, BeiDou, NavIC, SBAS, and L-Band correction services.
HELIX500 + GNSS Helix Antenna
The HN-HELIX500 is a compact, ultra-low-profile active helix antenna supporting full-band GNSS, SBAS, and L-Band correction services. Designed for high-precision positioning on UAVs, surveying and monitoring equipment, and other space-constrained platforms, it combines reliable RF performance with a lightweight, easy-to-integrate design.
Ultra-Low-Profile Full-Band Helix GNSS Antenna
The HN-HELIX500 is a high-performance active GNSS helix antenna supporting GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC/IRNSS, SBAS, and L-Band correction services. Its multi-point-fed design provides stable phase-center performance, reliable RHCP satellite reception, and effective multipath mitigation. A pre-filtered LNA improves out-of-band interference rejection and supports reliable GNSS signal tracking in complex RF environments. With an ultra-low-profile, lightweight housing, the HN-HELIX500 is well suited for UAVs, surveying and mapping equipment, monitoring devices, and other ground-based or airborne precision-positioning systems.
Key Features
- Comprehensive GNSS support, including GPS, GLONASS, Galileo, BeiDou, and L-Band correction services
- Excellent RHCP signal reception and signal-to-noise ratio
- Phase-center offset within ±3 mm and high gain at low elevation angles
- Improved signal filtering and excellent multipath rejection
- Ultra-low-profile Ø50 × 33.2 mm, 30g weight for easier platform integration
- GNSS Coverage
- L1 / L2 / L5 + L-Band
- Dimensions
- Ø50*33.2mm
- Weight
- 30g
HN-HELIX500 Specifications
| Performance | |
|---|---|
| Frequency Bands | GPS L1/L2/L5 GLONASS G1/G2/G3 Galileo E1/E5a/E5b/E6 BDS B1I/B1C/B2a/B2b/B3I QZSS L1/L2/L5/L6 IRNSS L5 SBAS L1/L5 L-band |
| Nominal Impedance | 50Ω |
| Polarization | RHCP |
| Gain RHCP (maximum) | 3 dBi |
| Axial Ratio (@zenith) | ≤2dB |
| LNA Gain | 33 ± 2 dB |
| VSWR | ≤2 |
| Noise Figure | ≤1.8 dB |
| Group Delay Ripple | ≤ 10 ns |
| Operation Voltage | 3.3 ~ 12VDC |
| Operation Current | 25mA (Typical) |
| Phase Centre Variation | ±3mm |
| Mechanical | |
| Dimensions | Ø50*33.2mm |
| Weight | ≤ 32 g |
| Connector | SMA Male |
| Mounting | 3×M2.5 Screws Fixed |
| Environmental | |
| Operating Temperature | -40℃ ~ +70℃ |
| Storage Temperature | -40℃ ~ +85℃ |
| Water/Dust Resistance | IP67(Mounted) |
| Drop Test | 1.5m |
| Humidity | 95% Non-condensing |
Structure Drawing
Dimensions in millimeters. Undeclared tolerance:±0.3mm
Engineered for precise, resilient GNSS reception
Stable Phase Center
Centimeter phase-center repeatability supports precision positioning and heading stability.
Multipath Rejection
Improved filtering suppresses reflected signals and helps preserve clean GNSS measurements.
Low-Elevation Gain
Strong RHCP reception maintains signal quality when satellites are closer to the horizon.
Rugged IP67 Design
Sealed construction, wide operating temperature range, and 1.5m drop resistance suit field use.
Low-SWaP Integration
Compact size, low weight, and 25mA typical current minimize platform integration impact.
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