Question

wireless connection

Answer 1

✓ Wireless connection works with the help of signals like Infrared for communication between two or more nodes.

✓ Connections like WiFi, RadioSignals etc. also count in this example.
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Answer 2

A wireless network is a computer networkthat uses wireless data connections between network nodes.Wireless networking is a method by which homes, telecommunications networks and business installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations.Wirelesstelecommunications networks are generally implemented and administered using radio communication. This implementation takes place at the physical level (layer) of the OSI model network structure.