Survey GNSS Antenna

Introduction
Key Features
Parameters
Applications
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Introduction

HX-SE409A is an embedded multi-constellation multi-frequency GNSS antenna that integrates a GNSS antenna and a 4G antenna in one compact enclosure (Wi-Fi expandable). This integration saves space, simplifies installation, and reduces maintenance complexity, making it ideal for space-constrained applications. It delivers high-precision positioning and reliable 4G connectivity with excellent anti-electromagnetic interference capabilities, ensuring robust performance in harsh environments. The combination of high-accuracy GNSS and high-speed 4G data transmission makes it perfect for applications requiring precise positioning, such as surveying and mapping, robotics, and other precision-dependent industries.

Key Features

Stable Phase Center for Robust Positioning Performance

HX-SE409A supports multi-constellation full frequency satellite signal tracking, including GPS, GLONASS, Galileo, BeiDou, QZSS, IRNSS, SBAS, and L-band. Its advanced multi-point feeding design ensures a highly stable phase center, delivering millimeter-level positioning accuracy.
Highly Integrated Layout for Easy Integration

HX-SE409A integrates a GNSS antenna and a 4G antenna within a compact enclosure, simplifying integration for diverse applications. The symmetrical balanced array effectively reduces interference, ensuring stable phase center and consistently reliable signal reception
Tracking in Complex Environments

This antenna exhibits superior high gain performance with ultralow signal loss, ensuring reliable satellite signal tracking. It also delivers wide beam width that covers wide frequencies with high marginal gain.
Strong Anti-interference Performance

The advanced LNA excels in improved signal filtering and out-of-band rejection and restraints unwanted electromagnetic interferences, plus strong multi-path reduction capacity.

Parameters

Signal Received	GPS L1/L2/L5 GLONASS L1/L2/L3 GALILEO E1/E5a/E5b/E6 BDS B1I/B2I/B3I/B1C/B2a/B2b QZSS L1/L2/L5/L6 IRNSS L5 L-Band
Nominal Impedance	50Ω
Polarization	RHCP
Axial Ratio	≤2dB (Typical)
Azimuth Coverage	360°
Output VSWR	≤2.0
Peak Gain	GNSS: 5.5dBi
Phase Center Deviation	±2mm
Phase Center Height (above the PCB surface)	L2： 17.1mm L1： 20.1mm

4G Antenna Performance

Nominal Impedance: 50 Ω

Polarization: Linear Polarization

Radiation Efficiency: ≥20% (Typical)

LNA Gain	30±2dB
Noise Figure	≤2dB
Output VSWR	≤2.0
Passband Ripple	±2dB
Operation Voltage	+3.3 to +12VDC
Operation Current	≤45mA
Differential Propagation Delay	≤5ns