Smart Antenna HX-ME407A

Introduction
Key Features
Parameters
Applications
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Introduction

The HX-COX071A is an all-in-one high-precision RTK GNSS smart antenna designed for accurate positioning and reliable wireless connectivity. It integrates a multi-constellation, multi-frequency GNSS antenna supporting BDS, GPS, GLONASS, Galileo, QZSS and SBAS, together with a high-performance RTK positioning module, integrated 4G and radio communication antennas and modules, and an MCU in a compact design. Featuring a stable phase center, reliable satellite signal tracking and excellent out-of-band interference rejection, the HX-COX071A delivers precise GNSS positioning and consistent performance in challenging environments. Its integrated architecture simplifies installation, reduces system integration complexity and accelerates product development. This RTK smart antenna is ideal for precision agriculture, UAV navigation, robotic lawn mowers and autonomous robots requiring high-accuracy positioning and dependable connectivity.

Key Features

Integrated Design and Compact Form Factor

The HX-COX071A integrates a high-precision GNSS antenna, RTK module, 4G antenna and module, radio antenna and module, and MCU into a compact, all-in-one design. Its lightweight structure reduces equipment payload, simplifies system integration and supports flexible installation.
Precision-Tuned OEM GNSS Antenna

The HX-COX071A features an advanced multi-feed GNSS antenna with a stable phase center closely aligned with its geometric center. This minimizes measurement errors, enhances positioning consistency and ensures accurate, reliable RTK navigation across multiple satellite constellations.
Tracking in Complex Environments

The high-gain GNSS antenna combines a wide beamwidth with stable wide-angle circular polarization, ensuring reliable satellite signal tracking and consistent positioning performance in challenging environments, including areas with trees, buildings and other obstructions.
Strong Anti-Interference Performance

The integrated low-noise amplifier (LNA) provides excellent out-of-band interference rejection, suppressing unwanted electromagnetic signals and reducing the risk of GNSS signal loss in complex environments near power grids, communication base stations and radio transmitters.

Parameters

Signal Received	GPS L1C/A, L2C, L2P(Y), L5 GLONASS G1, G2 BDS B1I, B2I, B3I, B1C, B2a, B2b GALILEO E1, E5a, E5b, E6 SBAS L1C/A
Nominal Impedance	50Ω
Polarization	RHCP
Axial Ratio (@Zenith)	≤3dB
Azimuth Coverage	360°
Peak Gain	5dBi
Output VSWR	≤2.0

Main/Backup Radio Antenna Performance

Frequency: 915 MHz or 868 MHz (Optional)

Gain: 0dBi

Polarization: Vertical

Efficiency: 40%

4G Antenna Performance

Frequency: 700-960 MHz / 1710-2690 MHz

Average Efficiency: 40%

VSWR: ≤6

LNA Gain	≥26dB
Noise Figure	≤2dB
GNSS Module	UM960 / UM960E
MCU	GD32F303RCT6 (Optional Flash Memory)
4G Module	EC25 / EG25 Series
Single-Point Positioning Accuracy	Horizontal: 1.5 m Vertical: 2.5 m
RTK Positioning Accuracy	Horizontal: 0.8 cm + 1 ppm Vertical: 1.5 cm + 1 ppm
Timing Accuracy (RMS)	20 ns
Velocity Accuracy (RMS)	0.03 m/s
Time to First Fix (TTFF)	Cold Start: ≤ 30 s Hot Start: ≤ 5 s
Initialization Time	< 5 s (Typical)
Output Rate	Position Update Rate: Up to 20 Hz
Operating Voltage	DC 5V