microport colibri X5 - Robust-pc.de

Wireless OptionsThe range is a good 50 metres in practice. The internal Bluetooth stick shouldonly be inserted or replaced by trained personnel (see section 6.5, The HiddenInterior of the colibri X5).Note: If the internal socket is already occupied by a WLAN USB stick then itis not possible to insert a Bluetooth USB stick here! A USB Bluetooth stick(Class 1 or Class 2) can still be operated in parallel from the slot in the batterycompartment.20.2 Wireless LAN (WLAN)In the previous section we have explained at length about the Bluetooth wirelessstandard. Bluetooth is a pure short-range radio being used as a cable replacementfor the immediate vicinity. Even though files can be exchanged atlinear distances up to 100 metres with Bluetooth, a worldwide standard forthe wireless interconnection of computers with each other has been establishedwhich is called Wireless LAN or abbreviatedWLAN (LAN stands for Local Area Network.)With respect to the network functionality and the data throughput, WLAN ismuch more powerful than Bluetooth. The administration of WLAN correspondsfor the most part to that of cable-connected networks with enhancementsfor the radio link. For simplicity’s sake the radio link can be seen as areplacement for the Ethernet cable. Different encryption processes ensure adata security similar to that in cabled systems:WEP = Wired Equivalent PrivacyWPA = Wi-Fi Protected Access.microport colibri X5 95