Network technology describes the digital and analogue signal processing of all network components e.g. network adapters, repeaters, hubs, switches, routers, network cables, servers, gateways, etc. via the transmission medium copper (coaxial cable, telephone cable, twisted pair cable), optical light in the form of a fibre optic cable or cordless connection e.g. wireless LAN (WLAN), Bluetooth, GNSS etc. into an optical or electrical data stream in the network.