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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