Helix Antenna HX-HE402A

Overview

Harxon HX-HE402A embedded helix antenna is designed for high-precision positioning and offers superior satellite signal tracking, including BDS B1/B2/B3, GPS L1/L2/L5, GLONASS L1/L2/L3, Galileo E1/E5a/E5b/E6, QZSS L1/L2/L5/L6, IRNSS L5, SBAS L1/L5, L-band. Its compact form factor and lightweight design make it well-suited for integration into UAVs. The antenna is ideal for a wide range of applications such as surveying and mapping, remote sensing, disaster monitoring, precision agriculture, public safety surveillance, etc.

Key Features

Consistent Performance Across Full Frequency Bands

HX-HE402A is an embedded helix antenna is designed for precision positioning, covering BDS, GPS, GLONASS, Galileo, QZSS, IRNSS, SBAS, and L-band corrections. It enables seamless integration and simplifies overall system design.

Advanced Patented D-QHA Technology

The antenna adopts patented D-QHA technology for stable performance of wide-angle circular polarization (WACP), which ensures exceptional low elevation satellite tracking while maintaining high gain and providing reliable signal tracking.

Small Form Factor, Lightweight, Designed For Integration

With a compact integrated design measuring just φ28.5*H37.6mm and weighing less than 15g, HX-HE402A combines both antenna and circuitry in a single lightweight unit, which minimizes payload on lightweight devices such as UAVs, enhancing endurance and portability.

Strong Anti-Interference Performance in Harsh Environments

HX-HE402A combines strong anti-interference capabilities with exceptional signal tracking performance. Its optimized circuit design and pre-filtered LNA offer outstanding out-of-band interference rejection, minimizing electromagnetic disruptions and ensuring reliable signal acquisition.

Parameters

PERFORMANCE

Signal Received

GPS L1/L2/L5
GLONASS G1/G2/G3
GALILEO E1/E5b/E5b/E6
BDS B1/B2/B3
Galileo E1/E5a/E5b/E6
QZSS L1/L2/L5/L6
IRNSS L5
L-band

Nominal Impedance

50Ω

Polarization

RHCP

Axial Ratio (@Zenith)

≤1dB typical

Azimuth Coverage

360°

Peak Gain

2.5dBi（at zenith）

LNA

LNA Gain

33±2dB

Noise Figure

≤1.5dB

Output VSWR

≤2.0

Operation Voltage

3.3~12VDC

Operation Current

≤25mA typical

Passband Ripple

±2dB

MECHANICAL

Dimensions

Φ28.5mm*H37.6mm

Connector

MCX-J

Weight

≤15g (6g typical)

Mounting

customers design own installation

ENVIRONMENTAL

Operating Temperature

-40℃ to +70℃

Storage Temperature

-40℃ to +85℃

Humidity

95% non-condensing

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