Popularly known as the "public airwaves," spectrum is becoming to the information era what land was to the agricultural era and energy to the industrial era: its defining and most valuable natural resource.
Spectrum allows people and machines to communicate without being connected to wires. Most households have dozens of spectrum using devices, including cordless phones, cellular telephones, garage door remotes, FM radios, satellite TVs, wireless car keys, Bluetooth headphones, invisible fences, and WiFi broadband connections.
Most spectrum is reserved for the… more