The number of hardware wireless devices shows how much growth there is in this industry.

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Land Mobile Radio systems are devices used by business and public safety operations.
Two Way Radio, which will include specialized services like Citizens Band Radio, General mobile radio Service, and Family Radio Service.
Amature or Ham radio for self trained hobbyists that provide communication services for others.
Marine VHF radio for persons that have a boat and travel around coastal waters. They allow communication between boats, marinas, and the US Coast Guard.
Cellular telephones, like the Blackberry, the iPhone, and many like others that are connected to a service with antennas located in different parts of the landscape that transmit and receive signals.

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Cordless Telephones are limited -range devices that connected to a fixed land line.
Satellite television allows consumers to receive a television signal from a satellite.

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Wireless gaming Consumers can use the XBox or Playstation or GameCube to satisfy their gaming desires.
Finally, the mother of all wireless devices: The GPS (Global Positioning System) which can place your position any where on Earth.