Bds GPS Glonass Galileo System Full Band Active Spiral Antenna

Fast Dispatch BDS GPS GLONASS GALILEO System Full band active spiral antenna for DJI uav Surveying drone mapping  Antenna Features   Frequency Range BDS B1/B2/B3 GPS L1/L2/L5/L-Band GLONASS L1/L2 GALILEO E1/E5a/E5b impedance 50 ohms Polarization mode right-handed circular polarization Antenna Axial Ratio ≤3.0dB Horizontal plane coverage angle 360° Output VSWR ≤2 Gain(Max) 2.8dBi Low noise amplifier circuit indicators Gain 33+2dB noise figure ≤2dB Output VSWR ≤2 Operating Voltage 3.3-5V DC Working current ≤55mA Gain flatness ±2db Structural properties Antenna size Ø43.6*40.8mm Weight