Belkin N1 Mode D'emploi page 37

Troubleshooting
The Adapter does not perform or connection is unstable
when computer has a second built-in wireless network
card (such as a mini PCI or Intel
This condition occurs if your computer has a built-in wireless
card while your Belkin N1 Wireless USB Adapter is also active.
This happens because Windows must now handle two active
wireless connections.
You must disable the built-in wireless card from your computer
under "Network Adapters" in the Device Manager.
The Adapter does not perform or connection is slow
when computer has a built-in wired Ethernet card.
This condition occurs if your computer has an active Ethernet
card while your Adapter is also active. This happens because
Windows must now handle two active network connections.
You must disable the Ethernet card from your computer under
"Network Adapters" in the Device Manager.
What's the difference between 802.11b, 802.11g,
802.11a, and draft 802.11n?
Currently there are four levels of wireless networking standards,
which transmit data at very different maximum speeds. Each is
based on the designation for certifying network standards. The
most common wireless networking standard, 802.11b, transmits
information at 11Mbps; 802.11a and 802.11g work at 54Mbps;
and draft 802.11n works at 108Mbps. See the following chart for
more detailed information.
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