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, 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 Design: Designed for portability, this spiral antenna is lightweight and small, 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 Features: High Gain: 35dB. High Phase Accuracy: Four-arm spiral structure. Low Noise Figure: Less than 2dB. Wide Beam Width, Low Elevation Angle. Lightweight, Small Size. Frequency Range: GPS: L1, L2, L5. BDS: B1, B2, B3. Galileo: E1, E5. GLONASS: L1, L2. Impedance: 50Ω. Gain at Elevation Angle 90°: ≥2. Axial Ratio (dB) at Elevation Angle 90°: ≤3. Horizontal Coverage Angle: 360° omnidirectional. Polarization Type: RHCP. Interface Type: SMA-J. Low Noise Amplifier Specifications: 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 @ 3.3V. Material: Plastic. Color: As shown in image. Note: Due to different product batches, the appearance may vary slightly, which does not affect performance. Package Contents: 1 x Antenna. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowed: ±1–3cm.