By contrast , the white space freed up below 700 megahertz is to be made available for unlicensed use by the public .
与此相反，空出来的700兆赫以下的白色空间将会提供给无须授权的公众使用。
The most valuable frequencies of all-those in the 700 megahertz band ( channels 52 to 69 ) - have been auctioned off to mobile phone companies .
这当中最为宝贵的频率700兆赫段（52到69频道）已经被诸多移动电话公司竞拍取得了使用权。
Future flight part11of12.communications revolution : get ready for more megahertz , and a phone in every cockpit .
未来飞行：12部分之11:通讯的革命：准备更大的通讯频率空间，并且每个驾驶舱有一部电话。
The fcc thinks it can liven things up by giving wireless carriers a better chance to compete in the broadband business . To that end , it plans to release a further 500 megahertz of bandwidth over the next decade and auction it to the mobile carriers .
