devices can use wireless connectivity to communicate with each other. there are many types of wireless communication: 🔸wi-fi 🔸bluetooth 🔸3g and 4g 🔸infra-red (ir) 🔸near-field communication (nfc)
the transmission of user data between devices without the use of wires.
is defined as the transmission of digital data while connected to some type of data network, without the use of wires.