Quadrifilar Helix Antenna|High Gain:Achieve reception with a 35dB gain, ensuring strong connections in any drone application. Full Frequency Coverage:This quadrilateral helix antenna supports multiple frequencies, including GPS, BDS, , and GLONASS. Omni-Directional Design:Enjoy a 360 omnidirectional coverage, making this antenna ideal for drone navigation and mapping. Low Noise Figure:Experience minimal signal interference with a low noise figure of Less than 2dB, enhancing drone precision. and Compact:Designed for portability, this spiral antenna is and small, fitting seamlessly into any drone setup. Full frequency active antennas covering GPS L1/L2/L5, BDS B1/B2/B3, E1/E5, GLONASS L1/L2. Product characteristics 1.High Gain: 35dB 2.High phase accuracy: Four arm spiral structure 3.Low noise figure:Less than 2dB 4.Beam width,Low elevation angle 5.Light weight, small size Frequency Range: GPS: L1 L2 L5 BDS: B1 B2 B3 :E1 E5 GLONASS:L1 L2 Impedance:50 Gain:Elevation angle 902 Axial Ratio(dB):Elevation angle903 Horizontal coverage angle():360 omnidirectional Polarization Type: RHCP Interface type;SMA-J Low noise amplifier index Frequency Range GPS: L1 L2 L5 BDS: B1 B2 B3 :E1 E5 GLONASS:L1 L2 DC Voltage:3~5.5V Gain:353dB In-band Spectrum Ripple (dB):2 Output VSWR:Less than 2.0 Noise Figure:Less than 2.0dB DC current:Less than 50mA @ DC3.3V Material: Plastic Color: As shown Due to different product batches, the appearance , which does not affect the use Package Contents: 1 x antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.