Glossary - U

Unidirectional LiFi Product

A LiFi product referred to as a positioning system that provides location-based services. It is also assisted with other means of wireless communications such as Wi-Fi, Bluetooth, or 3G/4G/5G.

Untethered Remotely Operated Vehicle - UTROV

An application of VLC technology used for underwater communication.

Ultraviolet -UV

A form of electromagnetic radiation with a wavelength from 10 nm to 400 nm (750 THz), shorter than that of visible light, but longer than X-rays.

Uplink (satellite telecommunication context)

A downlink from a satellite down to one or more ground stations or receivers.

Upload Speed

The speed at which your internet connection can allow data to be sent from your devices to the internet.