W

Wireless - Describing radio-based systems allowing transmission or telephone and/or data signals through the air without a physical connection, such as a metal wire or fiber optical cable.

Wireline cellular carrier, or the Block "B" carrier - Under the FCC's initial licensing procedures, the Block B carrier is the local telephone company. The FCC reserved one of the two systems in every market for the local telephone, or wire-line company. Wireline or Block B systems operate on the frequencies 869 to 894 Megahertz.

WLAN - Wireless Local Area Networks. Operating in the 2.4 GHz and 5.8 GHz unlicensed ISM bands and using spread spectrum technology are presently under development. It is expected that data rates of 1 Mbps and 10 Mbps can be achieved at 2.4 GHz and 5.8 GHz, respectively. A WLAN standard operating at 2.4 GHz (IEEE 802.11) is being 'painfully' defined (with four different versions), while European countries are developing an alternative standard (HIPERLAN) for 10 Mbps transmission, using the 5.8 GHz band.

WLL - Wireless Local Loops. Any method of using wireless communication in place of a wired connection to provide subscribers with standard telephone service.

WPBX - Wireless Public Branch Exchanges.

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