A set of microwave frequencies that have been designated for use by educational facilities. A common file format for images. It is the frequency band used by new home systems. A computer network limited to a building or area of a building. Leased line A phone line established for exclusive data connections from one location to another.
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Microwave A high-frequency transmission that can be used for television signals or computer data. Microwave transmissions are said to be line of sight, which means that they cannot pass through tall buildings or mountains. A device that enables a computer to transmit and receive data from another computer through a phone line by converting the data into sound. A digital video file format. Newsgroup Discussion forum on the Internet.