Long distance wireless bridges often require line-of-sight between transmitter and receiver; however, bridges used inside a home or building that add remote devices to a Wi-Fi network do not (see ...

The origins of free-space optical wireless communication can be traced back to the 1970s, when various line-of-sight infrared links were considered for defence and space applications. Since then ...

Using ultra-wideband (UWB) technology, wireless USB is used to transmit the content of a laptop screen to a TV set or to a USB device that is within line of sight. Up to two meters (6.6 ft.), ...