Quadrifilar Helix Antenna High Gain: Achieve reception with a 35dB gain, ensuring strong connections in any drone application. Full Frequency Coverage: This helix antenna supports multiple frequencies, including GPS, BDS, and GLONASS. Omnidirectional Design: Enjoy 360° 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 small and lightweight, fitting seamlessly into any drone setup. 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 and compact 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 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 @ DC 3.3V Material: Plastic Color: As shown Note: Due to different product batches, the appearance may vary slightly, which does not affect performance. Package Contents: 1 x Antenna (Other products not included) Note: Lighting reflections and display differences may cause slight color variations between the image and actual item. Measurement error allowed: ±1–3cm.