Radio spectrum refers to the whole range of ... WCDMA "world phones" actually won't have to support any additional frequency bands at all. That's not to say that you won't need a new phone to ...

The number of times per second that a radio wave radiates is referred to as its frequency. 5G, in particular, works through a number of different frequency bands. That means that it uses both low ...

In the U.S., the 902-928 MHz, 2.4 GHz and 5.7-5.8 GHz bands were initially used for machines that emitted radio frequencies, such as RF welders, industrial heaters and microwave ovens, but not for ...