wireless
n.n. using radio waves instead of wires to send and receive information. You use this to describe things like internet connections or headphones that do not need a cable.
n. transmitting or receiving electromagnetic signals without the use of physical cables or wires. Frequently used to describe telecommunications technology and networking protocols.
The office has a fast wireless network.
Most modern laptops connect to the internet through a wireless router rather than an Ethernet cable.
The rapid adoption of wireless charging technology has significantly reduced the wear and tear on physical ports for mobile devices.
From wire + -less.
Typically placed before the noun it modifies; can also function as a predicative adjective after a linking verb.