... . Advantages: The yagi antenna have strong directivity , high gain, signal stability, receiving distance, anti-jamming characteristics and so ... specification: Specification : Input Frequency:470-1100MHz (can select) Gain:7dBi,9.5dB,11dB,12dB,13dB,16dB. (can select) ... ratio:≥12dBVSWR:≤1.5Input impedance:75ΩPolarization:V/HMax power:50WLighting production:Direct groundingConnector type:F male of british ...