The telegraph, the telephone, and radio were the obvious predecessors of the Internet, iPods, and mobile phones.

电报、电话和无线电显然是互联网、iPods 和移动电话的前身。

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Each fully-charged Solar Milk battery can charge a mobile phone three or four times, or a radio once or twice.

每块充满电的太阳能牛奶电池可以给手机充电三到四次，或者给收音机充电一到两次。

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Mobile phones communicate by transmitting radio waves through a network of fixed antennas called base stations.

移动电话通信通过一个称为基站的固定天线网络发射无线电波。

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The site is home to transmitters for most of the city's television stations, as well as some radio stations, several mobile phone companies and police communication systems.

VOA: standard.2009.09.01

The concept of combining radio with mobile technology has enormous potential and can be very powerful.

UNESCO: EDUCATION

Usually, a GPS tracker transmits its position using a radio or mobile-phone connection.

ECONOMIST: Monitor

In a little known battle in the UK, both Google and Microsoft are competing for white spaces, gaps in the radio spectrum between TV, radio and mobile.

FORBES: Why Google and Microsoft Are Competing for the Airwaves (And What It Says About Opportunity)