Features: Wideband Antenna delivers 2-7dBi circular polarization across 2.4GHz-8.5GHz, ideal for precise signals analysis and directional measurement applications. Features left/right hand circular polarization option, with external threads, and optimized PCB construction for stable VSWR <1.8 across most frequencies. Perfect for engineers, communication technicians, and professional requiring antennas for spectrum analyzers, navigation systems, and broadband measurement equipment. Optimized for directional finding, signals detection, and wireless communication testing in research labs or field operations. Laboratory tested performances, ensuring minimal signals reflection for high precisions broadband applications. Specifications: Component: PCB Operating bandwidth: 2.4GHz-8.5GHz Polarization methods: circular polarization right-hand rotation/left rotation Radiation angles: H=E=70° Impedance: 50ohms Diameter: about. 40mm/1.57in Package Includes: 1pc Wideband Antenna note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.