Features: Experience superior signal Performances with 2.4GHz directional helical Antennas, for 2400MHz band to significantly extend your remote Controls and transmission Ranges. Featuring directional, this Antennas effectively concentrates signals in specific directions, minimizing interferences and ensuring Enhanceds Connectivitys for drones, robot, and Surveillances cameras. for Drones enthusiasts improved flight Controls and transmission, professional engineers working on wireless device development, and home users aiming to enhances networking coverage. for Aerials photography, remote controlled toy, and outdoor, this Antennas ensures stable long distances Controls and real time transmission, enhancing communication reliability. from PCB materials, this portable Antennas for easy installation and outdoor, offering excellent weather resistance and corrosions protections for applications. Specifications: Material: PCB Frequency bandwidth: 2.3GHz-2.65GHz Style: Left Turn, Right Turn(optional) Impedance: 50Ω : 13dBi Radiation angle: 60° Poppys: （2.4GHz-2.5GHz）<1.2 power: 50W Joint type: SMA female head (external thread internal hole) Package Includes: 1PC Circularly Polarized Antennas note: Please allow 0-1cm error due to manual measurement. makes sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!