A communications system that transmits and receives radio signals over the air. The term generally refers to Wi-Fi local area networks (LANs) or to the 3G/4G data services from the cellular carriers' wide area networks (WANs). See Wi-Fi
, wireless LAN
and cellular generations
Lots of Wireless Networks
AM radio, FM radio, HD Radio, SiriusXM satellite radio, broadcast TV, satellite TV, satellite Internet access and cellphones are also, in fact, wireless networks.