He installed a wireless fidelity (Wi-Fi) network in the barbershop to offer customers high-speed wireless Internet access.

他在理发店里装设无线上网网络，让顾客享用高速的无线上网服务。

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With innovations such as wireless fidelity, commonly known as wi-fi, and other low-cost technologies and business models that are now being explored, we should aim to provide cheap, fast, and eventually free access to the internet.

BBC: Annan on bridging the digital divide

They hope to ride a networking standard called 802.11 or Wi-Fi (short for wireless fidelity), which easily converts wired office networks into wireless webs running at up to 11 megabits a second.

FORBES: Mr. and Mrs. Network