Survey GNSS Antenna

Introduction
Key Features
Parameters
Applications
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Introduction

The GPS500 is a high-performance, survey-grade GNSS antenna designed to deliver reliable high-precision positioning and superior satellite signal tracking. It supports full multi-constellation operation, including BeiDou, GPS, GLONASS, and GALILEO, ensuring improved availability, accuracy, and stability across diverse operating environments. Engineered to meet the requirements of high-precision surveying and geospatial applications, the GPS500 offers consistent performance, strong multipath suppression, and excellent compatibility with a wide range of professional GNSS receivers. Its versatile design makes the GPS500 suitable for land surveying, construction measurement, GIS data collection, mapping, and other field applications where dependable positioning performance is essential.

Key Features

High Phase Center Stability

GPS500 features a multi-point feeding deign to achieve greater phase center stability. It effectively improves measurement accuracy and provides better positioning solutions.
Tracking in Challenging Environments

The ability to receive low elevation signals with high gain and wide beam width makes GPS500 an excellent choice for tracking visible satellites under challenging conditions.
Strong Anti-interference Performance

The antenna LNA features excellent out-of-band rejection performance, which can suppress the electro magnetic interference, providing the stability and reliability of GNSS signals.
Small Size and Light Weight

The light weight and small size GPS500 antenna can lighten the loads of small unmanned vehicles, as well as a standard TNC female connector for easy integration. Its IP67 ruggedized design can protect it from dust and water.

Parameters

Performance
LNA
Mechaical
Environmental
Drawing

Signal Received	GPS L1,L2 GLONASS L1,L2 GALILEO E1 BDS B1,B2,B3 QZSS L1,L2 SBAS L1
Nominal Impedance	50Ω
Polarization	RHCP
Axial Ratio	≤3dB
Gain at Zenith (90°)	1205-1278MHz 5.5dBi(maximum) 1559-1615MHz 5.5dBi(maximum)

LNA Gain	40dB(typical)
Noise Figure	≤2dB
Output VSWR	≤2.0
Operation Voltage	+3.3 to +12VDC
Operation Current	45mA(maximum)
Group Delay Ripple	＜5ns

Dimensions	¢152*62.2mm
Connector	TNC female
Weight	≤500g
Mounting	BSW5/8''-11 screw, 12-14mm

Operating Temperature	-40℃ to +85℃
Storage Temperature	-55℃ to +85℃
Humidity	95% Non-condensing
Water/Dust Resistance	IP67
Regulatory Compliance	FCC CE RoHS