System using radio-frequency, infrared, microwave,
or other types of electromagnetic or acoustic waves in place of wires, cables,
or fibre optics to transmit signals or data.
WIRELESS COMMUNICATION
Wireless devices include cell phones, two-way
radios, remote garage-door openers, television remote controls, and GPS
receivers (see Global Positioning System). Wireless modems, microwave
transmitters, and satellites make it possible to access the Internet from
anywhere in the world. A Wireless Markup Language (WML) based on XML is
intended for use in such narrow-band devices as cellular phones and pagers for
the transfer and display of text.