无线光纤是一种基于光传输方式、采用红外激光承载高速信号的无线传输技术，以激光为载体、以空气为介质，用点对点或点对多点的方式实现连接，由于其设备也以发光二极管或激光二极管为光源，因此又有“虚拟光纤”之称。
网络空间已成为计算机设备、网络、光纤电缆、无线连接和其他基础设施的象征，这些基础设施将互联网带给全世界数十亿人。
Cyberspace has become symbolic of the computing devices, networks, fibre-optic cables, wireless links and other infrastructure that bring the internet to billions of people around the world.
电话服务已经从当年的产业支柱变为众多服务项目之一。这项服务如今已经可以通过宽带来提供，而宽带服务已经越来越多的依赖于光纤和无线技术，而非铜线。
Telephony, once the mainstay of the industry, is just one service that can be offered over broadband connections, which will increasingly depend on new fibre-optic and wireless technology, not copper.
有些公司已小心翼翼地开始尝试一两种新业务; 而思科则开始了近半数新兴行业，包括光纤网络，无线设备以及互联网科技。
Some companies would have begun gently, with one or two; Cisco went for half a dozen, including optical networks, wireless equipment and internet telephony.
应用推荐