2PCS Spiral GNSS antenna TOP902 light drone RTK GPS GLONASS Beidou GALILEO satellite navigation system,aerial UAV/UGV antenna

Model:TOP902 GPS/GLONASS/BEIDOU/GALILEO main parameter ItemSpecifications Bands1197MHz~1278MHz  B2/B3/L2/G2 1559MHz~1606MHz  B1/L1/G1 PolarizationRHCP Axis Ratio of Antenna≤1.5dB Horizontal Coverage360° GAIN≥3.5dBi LNA GAIN35±2dB Noise Figure≤0.8 dB Output VSWR≤2.0:1 Band flatness±2dB Supply Voltage3.0V - 18.0V Supply Current≤45mA Operating  Temperature－40℃ - ＋80℃ Storage Temperature－45℃ - ＋85℃ Humidity95%  Ingress ProtectionIP67 DimensionsФ40.0mm*82.6mm ConnectorSMA-J Weight≤35g Model:TOP902  excellent omnidirectional radiation characteristics. Compared with the traditional microstrip antenna, the antenna has four arm spiral structure. It has better low elevation gain and wide-angle circular polarization characteristics, and can receive more low elevation satellite signals. The antenna has the characteristics of small volume, high positioning precision and light weight, and can meet the needs of users effectively.  Characteristic : quality is light. The total weight of the anten