Product Parameters The HA-901 GNSS antenna adopts multi arm multi feed technology and supports L1, L2/L5, and L-band satellite navigation signal reception for Beidou second-generation, GPS, GLONASS, and GALILEO systems. It is equipped with a multi-level filter and low noise amplifier, with good out of band suppression and strong anti-interference ability, ensuring normal operation in harsh electromagnetic environments. Meet the current requirements for multi-system compatibility and high-precision measurement. Product Application The HA-901 GNSS antenna adopts multi arm multi feed technology and supports L1, L2/L5, and L-band satellite navigation signal reception for Beidou second-generation, GPS, GLONASS, and GALILEO systems. It is equipped with a multi-level filter and low noise amplifier, with good out of band suppression and strong anti-interference ability, ensuring normal operation in harsh electromagnetic environments. Meet the current requirements for multi-system compatibility and high-precision measurement. Technical characteristics The use of multi arm spiral technology ensures right-handed circular polarization and phase center performance, reducing the impact of measurement errors; The antenna unit has the characteristics of high gain and small gain rollover, which is good for receiving low elevation satellite signals; Exquisite low noise, high gain amplification, and excellent out of band suppression; Small size, light weight, easy to carry and install. Main technical indicators (typical) Patch Architecture:Quadrifilar Helix Supported positioning signal bands GPS: L1/L2/L5 GLONASS: L1/L2/L3 BDS: B1/B2/B3 Galileo: E1/E5/E6 L-band Peak Gain*:≥2.5 dBi Polarization:RHCP Axial Ratio@zenith:≤1.5dB Azimuth Coverage:360° Impedance:50 ohm LNA Frequency Range:1164MHz~1278MHz/1525MHz~1615MHz LNA Gain*:35±3.0dB（Typ. @25°C） Group Delay Variation:≤5ns Noise Figure*:≤1.5 dB@25°C , Typ. Output VSWR:≤1.8:1 typ. 2.0:1max Operation Voltage:3.0~6.0V DC Operation Current:≤45mA Mechanicals & Environmental Dimension:Φ40.8mm*40.2mm Connector:SMA-J Radome:ABS+PC Operating Temp:－40℃～＋85℃ Storage Temp:－45℃～＋85℃ Humidity:95% No-condensing Waterproof:IP67
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