... polarization 4, Bandwidth: 40mhz 5,Low vswr 470~700 digital outdoor tv antenna Product Features:♦ Superior performance, high gain♦ All weather operation ... timeOne week after receiving the balanceInstallation instruction:1,Fix the antenna director and the reflector on the right position of the ... . 4,Fix the cables with ropes, so that the bearing down pressure of the cable can not press on the connector ...