Product Parameters AG-30 is a multi-satellite multi-frequency GNSS measurement antenna that supports Beidou II, GPS and GLONASS L1/L2 frequency band satellite navigation signal reception. It can be widely used in high-precision navigation and positioning occasions such as geodetic surveying and mapping, oceanographic surveying, precision agriculture, and deformation monitoring. The bottom of the product is equipped with 3 magnets and a standard 5/8-11 large nut for easy installation. The multi-feed point design ensures right-handed circular polarization and phase center performance, reducing the impact of measurement errors; The gain of the antenna unit is high, and the effect of receiving satellite signals at low elevation angles is good, ensuring that the number of available satellites in the system is sufficient; The low-noise amplifier adopts pre-filter technology to effectively suppress out-of-band interference signals and improve system reliability; The IP67 protection of the shell provides a guarantee for the antenna to work in the field for a long time. Main technical indicators (typical) Patch Architecture:Dual Four-point-feed, Signal-layer Patch Supported positioning signal bands: GPS：L1/L2/L5 BDS：B1/B2/B3 GLONASS：G1/G2/G3 Galileo：El/E5a/E5b/E6 L-Band Peak Gain*:≥5.0dBi@Fc Polarization:RHCP Axial Ratio@zenith:≤1.5dB Azimuth Coverage:360° Impedance:50 ohm Phase-center accuracy:≤2.0mm Phase-center repeatability:≤1.0mm LNA Frequency Range:1164MHz~1300MHz/1525MHz~1621MHz LNA Gain*:40±2.0dB （Typ. @25°C） Group Delay variation:≤5ns Noise Figure*:≤2.0 dB@25°C , Typ.（Pre-filtered） Output VSWR:≤1.8:1 typ. 2.0:1max Operation Voltage:3.0~16.0V DC Operation Current:≈45mA Mechanicals & Environmental Dimension:Φ152mm*67.5mm Connector:TNC ( Female) Radome:PC+PBT Attachment Method:5/8-11和磁铁吸盘 Operating Temp:－40℃～＋85℃ Storage Temp:－45℃～＋85℃ Humidity:95% No-condensing Waterproof:IP67
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