Optimized Performance: Specifically designed for the DIY RC FPV drone enthusiasts, the 3.3G Directional Patch Antenna enhances your flying experience by providing long-range signal reception from 3.0GHz to 3.5GHz. Ideal for freestyle and racing drones. Reliable and : Built with high-quality materials, this antenna ensures durability and reliable performance, making it a perfect choice for outdoor use. Its RHCP (Right-Hand Circular Polarization) design improves signal clarity and reduces interference. Easy Installation: The antenna is designed for easy setup with most DIY RC FPV quadcopters, allowing you to quickly enhance your drone's communication capabilities. Specifications Center frequency: 3.25GHz Bandwidth: 3GHz-3.5GHz Polarization: RHCP Average gain: 17dbi Average standing wave ratio: Less than 1.47 Radiation efficiency: average 86% -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 * 3.25G Directional Patch Antenna kit 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.