AT500 Choke Ring Antenna
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Introduction
The AT500 is a high performance choke ring antenna that can track GPS L1, L2C, L2P, L5, GLONASS L1, L2, BeiDou B1, B2, B3, Galileo E1, E5a/E5b, AltBoc, L-Band and SBAS. It is specially designed for deformation monitoring, CORS, and related GNSS infrastructure networks


  • Support GPS L1/L2/L5, GLONASS L1/L2, BeiDou B1/B2/B3, Galileo E1/E5a/E5b/E6, L-Band and SBAS
  • Low Noise Amplifier and high gain
  • Sub-millimeter level phase center error with outstanding stability and repeatability
  • Strong capability of tracking satellites at low elevation angle
  • Superior water and dust-proof design
01
Full-constellation & Multi-frequency
The AT600 can track all existed and planning satellite constellations, which include GPS, GLONASS, Beidou, BeiDou Global, Galileo, IRNSS, QZSS, SBAS and L-Band.
02
Robust Design
The AT500 features a superior waterproof and dustproof design with an IP67 rating, and it can withstand drops from a height of 1 meter.
03
High Performance
The AT500 excels with its low noise amplifier, high gain, and sub-millimeter level phase center error, providing outstanding stability and repeatability.
Product Parameter
Antenna
LNA
Physical
Environmental
Antenna
GPSL1, L2, L5
GLONASSL1, L2
BeiDouB1, B2, B3
GalileoE1, E5a, E5b, E6
SBAS and L-Band
Nominal Impedance50Ω
PolarizationRHCP
Axial Ratio (90°)≤ 3dB
LNA
LNA Gain50dB ± 2dB
Noise Figure≤ 2dB
VSWR Output≤ 2.0
Operation Voltage3.3 - 12VDC
Operation Current≤ 55mA
Group Delay< 5ns
Passband Ripple± 2dB
Gain at Zenith7dBi
Phase Center Offset± 1mm
Physical
DimensionΦ379×311 mm
ConnectorTNC Female connector
Weight6.9kg
Environmental
Operating Temperature-40°C to +85°C
Storage Temperature-55°C to +85°C
Humidity95% No-condensing
Water and Dust ProofIP67
DropSurvive from 1 meter drop
CalibrationIGS, NGS
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  • SinoGNSS AT500 Chock Ring Antenna.pdf(1.47MB)
    2024-05-30
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