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BT Openzone technical information BT Openzone uses the 2.4GHz radio frequency to send and receive data at current speeds of up to 11Mbps over distances up to 100 metres. BT Openzone devices communicate with 'wireless LAN base stations' that are in turn connected to the Internet. BT Openzone uses the same IEEE 802.11b Wireless LAN protocol already employed in offices and homes where fixed-wire solutions are hard to install or insufficiently flexible. The UK government lifted restrictions on the use of this technology in public places in June 2002. Now BT can create partnerships with businesses that are able to host BT Openzone hubs at their public outlets. BT Openzone uses the same frequency used by mobile phones. Engineers have designed protocols to avoid interference problems. BT Openzone signals are subject to the same forms of degradation that you occasionally experience using a mobile phone, though you are likely to be much nearer to the BT Openzone base station to start with. Find out more The WLANA is a non-profit wireless LAN consortium. Their web site learning centre contains lots of information about wireless LAN. You can find it at www.wlana.org. |
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