Full-Band Helix Antenna with Advanced Anti-Interference

UAV Antenna JH003

uav-antenna-jh003

Introduction

The JH003 is a robust, full-frequency helical antenna with high interference immunity. It is designed to mitigate co-frequency signal interference, high-power signal interference, and multiple radio communication system interference, ensuring high-precision positioning in complex electromagnetic environments. The antenna employs beamforming technology to enhance signal strength and quality, and utilizes advanced pre-multiple filtering to effectively suppress out-of-band noise and multipath signals, significantly improving anti-interference capabilities. These features make it ideal for use in drones, aviation devices, vehicle-mounted devices, and shipborne devices. Additionally, it is compatible with multi-brand boards and can achieve static millimeter-level positioning. The antenna is designed to be compact (Φ109mm*H134mm) and lightweight (only 250g), with flexible installation options. It offers IP67-rated protection against water and dust, along with excellent corrosion and shock resistance. This combination of features makes the JH003 the ideal choice for applications with stringent antenna size requirements.

Key Features

  • Advanced Beamforming Technology

    Beamforming technology controls the phase and amplitude of multiple antenna elements to focus the signal in the desired direction, effectively reducing unnecessary out-of-band signals and multipath signals.

  • Strong Multipath Signal Suppression

    Leveraging advanced beamforming technology, this antenna reduces the reception of non-line-of-sight signals by precisely controlling the beam direction, thus effectively mitigating the adverse effects of multipath interference.

  • Superior Out-of-Band Signal Rejection

    This antenna is equipped with advanced pre-multiple filters that effectively eliminate unwanted out-of-band interference signals, thereby reducing adjacent frequency signal interference.

  • Compact and Durable Structure

    This antenna boasts a small form factor (Φ109mm*H134mm) and light weight (250g). It is IP67-rated, providing excellent water and dust protection, along with corrosion and shock resistance. It offers flexible mounting options, allowing for both upward and downward screws fixing.

Parameters

JH003
Signal Received GPS/QZSS L1/L2/L5
BDS B1/B2
GLONASS G1/G2
GALILEO E1/E5
L-band 1540M
Nominal Impedance 50Ω
Polarization RHCP
Axial Ratio (@Zenith) ≤3dB
Azimuth Coverage Azimuth: 0-360°; Elevation: 0-90°
Peak Gain 4dBic@1164~1254MHz
2.5dBic@1559~1606MHz
LNA Gain 35±2dB
Noise Figure ≤ 2.5dB
Output VSWR ≤2.0
Operation Voltage 5-12V
Operation Current ≤150mA
Out-of-Band Rejection

Lower Band: 1164 -1254 MHz

≥85dB@<1100 MHz;

≥70dB@>1300 MHz;

≥85dB@>1325 MHz

Upper Band: 1559-1606 MHz

≥85dB@<1526MHz;

≥35dB@<1536MHz;

≥50dB@>1626MHz

Burnout Resistance ≥10W
Dimensions Φ109mm*H134mm (Connector not included)
Connector TNC-K
Weight ≤ 250g
Mounting 4*M3 screws fixed, upward or downward
Operating Temperature -40℃ to +70℃
Storage Temperature -45℃ to +85℃
Humidity 95% non-condensing

 

Applications

marine 1

Marine

fixed-wing-drone

Fixed Wing Drone

surveying-and-mapping-drone

Surveying and Mapping Drone

Inquiry

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You may also contact us through email sales@harxon.com or WeChat/WhatsApp: +86-189 0245 0568