UAV Antenna JH003

Introduction
Key Features
Parameters
Applications
Resources
Related Products
询问
博客

Introduction

The JH003 is a compact, full-band GNSS helix antenna designed for reliable high-precision positioning in challenging electromagnetic environments. With superior anti-interference performance, it helps mitigate co-frequency, high-power signal, and multi-radio system interference while maintaining stable and reliable GNSS signal reception. Its rugged IP67-rated design provides excellent resistance to shock, vibration, water, and dust, ensuring dependable operation in demanding outdoor and mobile environments. Compact and lightweight, the JH003 enables flexible installation and easy integration into UAVs, robotics, aviation, marine, vehicle-mounted equipment, and other space-constrained platforms requiring reliable GNSS positioning.

Advanced Beamforming Antenna Design
Superior Out-of-Band Signal Rejection up to 85 dB
GNSS Peak Gain up to 4 dBic
Compact Φ109 × H134mm, 250g Design, IP67 Rated

Key Features

Advanced Beamforming Technology

Advanced beamforming technology precisely controls the phase and amplitude of multiple antenna elements to enhance desired GNSS signals while effectively suppressing low-elevation co-frequency interference, providing over 20 dB attenuation below a 15° elevation angle for more reliable signal reception.
Strong Multipath Signal Suppression

Optimized antenna reception effectively suppresses non-line-of-sight and reflected GNSS signals, reducing multipath interference and its impact on signal quality while maintaining stable, accurate, and reliable high-precision GNSS positioning performance in challenging operating environments.
Superior Out-of-Band Signal Rejection

Advanced filtering effectively suppresses unwanted out-of-band signals and reduces adjacent-frequency interference from multiple radio communication systems, helping maintain stable GNSS reception and reliable positioning in complex electromagnetic environments.
Compact and Durable Structure

The compact Ø109 mm × H134 mm JH003 weighs only 250 g and features IP67 protection with excellent water, dust, corrosion, and shock resistance. Flexible upward and downward screw mounting enables easy antenna integration into various space-constrained platforms and equipment.

Parameters

Performance
LNA
Mechaical
Environmental
Drawing

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