Glossary W-X-Y-Z

WAP (Wireless Application Protocol) - An attempt at an industry standard for wireless data communication. WAP is currently used in the United States for a number of wireless data devices, but it is just one of several competing standards.

WLAN (Wireless Local Area Network) A local telecommunications network that uses high-frequency radio waves instead of wired connections as the channel between devices.

WML (Wireless Markup Language) A language developed for Wireless Application Protocol (WAP) that provides text versions of web sites to wireless devices such as mobile telephones and PDAs.

Wav: The file name extension given to Wave audio files. This standard PC audio file format is used for everything from system and game sounds to CD-quality audio.

Wi-Fi: (Wireless Fidelity) Another name for the IEEE 802.11b wireless LAN standard.

Wireless 1) A term used to describe cellular phones, wireless modems, and other devices that operate on radio frequency (RF). 2) The general term used for all onsite RF communications and networking, whether based on data, voice, or multimedia.

Wireless Amplifier A cordless amplifier that transmits and receives radio signals to its base unit, which is connected to your phone. Unlike a conventional headset amplifier (which remains stationary on your desk), you attach a wireless amplifier to your clothing to carry along with you. It's not a completely cordless headset system, as you need a corded headset to plug into the wireless amplifier.

Y-cable A cable characterized by 1 connection to an input jack that accommodates 2 output jacks, resembling the letter "Y" when extended. A Y-cable is often referred to as a "splitter." Y-cables for headsets come in 2 varieties: conferencing cables that allow both users to hear and speak over their headsets, and training (observation) cables that permit both users to listen, but only one to speak.

2.4 GHz This is the newer spectrum of wireless frequencies that is used by wireless devices including cordless phones, headsets, and networking products. Devices that rely on 2.4 GHz technology typically experience less interference than those that make use of other frequencies. This technology also supports much higher data transfer rates.

802.11 802.11 is a group of standards created by the Institute of Electrical and Electronics Engineers (IEEE) for Wireless Local Area Networks (WLANs). The version most common today is 802.11b—also known as Wireless Fidelity (Wi-Fi). It uses 2.4 GHz wireless signaling and provides up to 11 Mbps transmission.

900 MHz: This is the frequency band traditionally used in cordless telephones. It enables signals to penetrate walls and other physical barriers more easily than the lower frequencies that were used in earlier cordless phones.

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