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Qtalis

AT190 Helix Antenna

AT190 Helix Antenna

Regular price $129.00 USD
Regular price Sale price $129.00 USD
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AT190 Helix GNSS Antenna is a compact, high-performance antenna designed for high-accuracy GNSS positioning. With high phase center stability and repeatability, it ensures reliable performance even in challenging environments. Featuring 3.5 dBi high gain and excellent tracking capability at low elevation angles, AT190 supports BDS B3 and Galileo E1, E5a, and E5b signals. Its compact, ground-plane-independent design, low noise figure, and IP67-rated waterproof and dustproof housing make it ideal for UAV, GIS, RTK, and related positioning devices.

Key Features:
GPS L1, L2, L5, GLONASS G1, G2, BeiDou B1, B2, B3 and Galileo E1, E5a, E5b tracking
High gain (3.5dBi) with superior tracking 
performance at low elevation angle
Compact size and low noise figure
Ground Plane independent
High stability and repeatability at phase centerIP67-level waterproof and dustproof design

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GPSL1, L2, L5
GLONASSG1, G2
BeidouB1, B2, B3
Galileo E1, E5a, E5b
Nominal Impedance50Ω
PolarizationRHCP
Axial Ratio (90°)≤ 3dB
LNA Gain33±2dB
Noise Figure≤ 2dB
VSWR Output≤ 2.0
Operation Voltage3.3 - 12VDC
Operation Current≤ 45mA
Passband Ripple± 2dB
Gain at Zenith+ 3.5dBi
DimensionΦ27.5×59mm
ConnectorSMA male connector
Weight25g
Operating Temperature-40℃ to +85℃
Storage Temperature-55°C to +85°C
Humidity95% No-condensing
Waterproof and DustproofIP67
DropSurvive from a 1.5m drop