By 1990, sales from cellular service are expected to top $4.4 billion.

This is of particular value to construction projects in areas with poor cellular service.

Cellular service is now unavailable or difficult to use in many places.

It is a response to the explosive growth of cellular services in Africa.

It is expected to be cheaper than existing cellular service.

"The planning board wants our cellular services to be virtually invisible," he said.

Not surprisingly, the current trade struggle is over who has the right to operate cellular service in that area.

More than 10 million people now subscribe to cellular services, a level once forecast for the turn of the century.

For everyone else, those expensive high-speed cellular services may be the most promising technology.

Still, the price of cellular service will have to drop substantially before there is a phone in every car or pocket.