https://qooah.com/2012/07/17/lg-%e5%ae%a3%e4%bd%88%e6%97%97%e4%b8%8b-lte-%e6%99%ba%e8%83%bd%e6%89%8b%e6%a9%9f%e9%8a%b7%e9%87%8f%e5%b7%b2%e7%a0%b4%e5%9b%9b%e7%99%be%e8%90%ac/