Quadrifilar Helix Antenna High Gain: Achieve reception with a 35dB gain, ensuring strong connections in any drone application. Full Frequency Coverage: This quadrifilar helix antenna supports multiple frequencies, including GPS, BDS, Galileo, and GLONASS. Omni-Directional Design: Enjoy 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. Compact and Lightweight: Designed for portability, this spiral antenna is small and lightweight, fitting seamlessly into any drone setup. Full frequency active antenna covering GPS L1/L2/L5, BDS B1/B2/B3, Galileo 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. Lightweight, Small Size Frequency Range: GPS: L1, L2, L5 BDS: B1, B2, B3 Galileo: E1, E5 GLONASS: L1, L2 Impedance: 50Ω Gain: Elevation angle 90° ≥ 2 Axial Ratio (dB): Elevation angle 90° ≤ 3 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 Galileo: E1, E5 GLONASS: L1, L2 DC Voltage: 3–5.5V Gain: 35±3dB In-band Spectrum Ripple (dB): ≤2 Output VSWR: Less than 2.0 Noise Figure: Less than 2.0dB DC Current: Less than 50mA @ DC 3.3V Material: Plastic Color: As shown Note: Due to different product batches, the appearance may vary slightly, which does not affect performance. Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement error allowed: ±1–3cm. Package Contents: 1 x Antenna (Other products not included)