Helix Antenna The compact-sized AT190 helix antenna is designed with high stability and repeatability at phase center, and its high gain ensures a superior performance even at low elevation angle. Available from single frequency to triple frequency, AT-series Helix antennas are optimal for Unmanned Aerial Vehicle, GIS, RTK and related mobile devices where need high accuracy GNSS positioning. Nominal Impedance High gain (3.5dBi) with superior tracking performance at low elevation angle Compact size and low noise figure Noise Figure VSWR Output Ground Plane independent Operation Voltage High stability and repeatability at phase center Operation Current Passband Ripple IP67-level waterproof and dustproof design Physical Dimension Environmental Operating Temperature Storage Temperature Water and Dust Proof Survive from a 1.5m drop 2020, ComNav Technology Ltd. All rights reserved. is the official trade mark of ComNav Technology Ltd., registered in People’s Republic of China, EU, USA and Canada. All other trademarks are the property of their respective owners. (November, 2020). Building 2, No. 618 Chengliu Middle Road, 201801 Shanghai, China Web：www.comnavtech.com Email: [email protected] Tel : +86 21 6405