Regional and national paging networks set up towers, like those used for cell phones, to cover large areas.

The paging network would be able to page customers to alert them about incoming messages.

Before he retired in 1985, he worked for three years as a senior vice president in the development of cellular telephones and paging networks.

The modem can send wireless data on paging networks for reception on a palmtop computer, a hand-held device also known as a personal digital assistant.

As of 2009, PageOne is the first and only organisation to run a 2-way paging network in the UK.

Still, analysts said, it makes a great deal of sense for a major telecommunications enterprise like BellSouth to get out of operating a paging network.

Many paging network operators now allow numeric and textual pages to be submitted to the paging networks via email.

There are lots of other ways to go wireless with data, like modems that hook up to cellular phones and E-mail services that use paging networks.

A.T.&E. has built a paging network that transmits messages to wristwatch pagers anywhere in the world.

For each 10 seconds of one cellular conversation, the paging network can carry more than 100 numeric messages.