Optimized Reception: Experience superior video quality and enhanced signal range with the 5.8G Directional Patch Antenna, specifically designed for FPV drone racing enthusiasts. Right-Hand Circular Polarization (RHCP): The RHCP design ensures reduced interference and maintains a strong connection between your drone and the controller, even in environments with multiple competing signals. and Reliable: Built with high-quality materials, this antenna is both and reliable, making it an ideal choice for both casual flyers and competitive racers. Center frequency: 5.45GHz Bandwidth: 4.9GHz-6GHz Polarization: RHCP Average gain: 17dbi Average standing wave ratio: Less than 1.5 Radiation efficiency: average 88.5% -polarization suppression: -25dB Interface type: SMA external screw internal hole Colour:black Material:ABS Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * 5.8G Directional Patch 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.