GNSS Survey Antenna

Discription:
Product Model: DY-AS8603G
Applicable Frequency Band: BDS: BDS B1/B2/B3;GPS L1/L2/L5;GLONASS G1/G2/G3;GALILEO E1/E5a/E5b/E6;
QZSS L1/L2/L3/L6;SBAS L1/L5;IRNSS L5;L-Band
NGS Certificate: This antenna was certified NGS in 2021, website link: https://geodesy.noaa.gov/ANTCAL/index.xhtml#
Product Usage:
It is suitable for scenarios with high requirements for survey accuracy and is widely used in geodetic surveying, ocean surveying, waterway surveying, dredging and completion surveying, earthquake monitoring, landslide monitoring, bridge deformation monitoring, terminal container operations, etc

Based on the image provided, here are the Key Features transcribed exactly as they appear: With higher precision phase value and smaller survey error. Wide compatibility, capable of receiving multiple systems and multiple frequency bands. With metal bottom shell, the structure is solid and reliable, durable and strong. With metal bottom shell, the structure is solid and reliable, durable and strong. (Note: This line is repeated in the original image). The disc-shaped design has low wind resistance and is beautiful and reliable. Meets waterproof grade IP67.
Electrical SpecificationsFrequency Range: 1164 ~ 1300MHz & 1525 ~ 1615MHzPolarization: RHCPAntenna Gain: $\ge$ 7.0 dBi (Maximum gain)Axial Ratio: $\le$ 3dB (Elevation angle 90°)Front-Back Ratio: $\ge$ 20 dB ($\pm$ 60°)Phase Center Error: $\le$ 2mmLNA SpecificationsGain: 39 $\pm$ 2dBVSWR: $\le$ 1.8Noise Figure: $\le$ 2.0dBGain Flatness: $\pm$ 1.5dBOut-of-Band Rejection: $\ge$ 45dBc @ F0 $\pm$ 200 MHzIn-Band Group Delay Fluctuation: $\le$ 5nsVoltage: 3.3 ~ 15 VDCWorking Current: $\le$ 50mAMechanical SpecificationsDimension: $\Phi$ 152 $\times$ 62mmConnector: TNC-KWeight: $\le$ 450gOperating Temperature: -40°C ~ +70 °CStorage Temperature: -40°C ~ +70 °C