http://www.pasternack.cn/wr430-1.70ghz%e5%88%b02.60ghz%e6%a0%87%e5%87%86%e5%a2%9e%e7%9b%8a%e5%96%87%e5%8f%ad%e5%a4%a9%e7%ba%bf-category.aspx weekly 0.7