HELIX50
GNSS Helix Antenna

The HN-HELIX50 is a compact, low-profile active helix antenna supporting full-band GNSS, SBAS, and L-Band correction services. It is designed for high-precision positioning on UAVs, industrial drones, robotic platforms, surveying equipment, and other space-constrained systems.

Request This Product

Back to Helix Antennas

High-Performance, Low-Profile Full-Band Helix GNSS Antenna

The HN-HELIX50 is a high-performance active GNSS helix antenna supporting GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC/IRNSS, SBAS, and L-Band correction services. It delivers stable satellite tracking and reliable positioning accuracy in dynamic environments. Optimized for UAV and drone as well as surveying and mapping operations, the HN-HELIX50 combines robust RF performance with a compact, field-ready design, making it suitable for both ground-based and 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
Lightweight, low-profile design for easier platform integration

GNSS Coverage: L1 / L2 / L5 + L-Band
Dimensions: Φ32.3*45.8mm
Weight: ≤ 25g

HN-HELIX50 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)	2.8 dBi
Axial Ratio (@zenith)	≤2dB
LNA Gain	33 ± 2 dB
VSWR	≤2
Noise Figure	≤1.5 dB
Group Delay Ripple	≤ 10 ns
Operation Voltage	3.3 ~ 12VDC
Operation Current	25mA (Typical)
Phase Centre Variation	±3mm
Mechanical
Dimensions	Φ32.2*45.8mm
Weight	≤ 32 g
Connector	SMA Male
Environmental
Operating Temperature	-40℃ ~ +70℃
Storage Temperature	-40℃ ~ +85℃
Water/Dust Resistance	IP67(Mounted)
Drop Test	1.5m
Humidity	95% Non-condensing