https://qooah.com/2012/02/18/docomo-%e6%8e%a8%e5%87%ba%e6%9c%80%e8%96%84%e9%98%b2%e6%b0%b4-lte-%e5%b9%b3%e6%9d%bf%e9%9b%bb%e8%85%a6-medias-tab-n-06d/