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- Appendix A: WLAN User’s Guide
Using a UWB Device
The Integrated Certified Wireless USB (UWB) module is an optional device available for Fujitsu mobile
computers.
What is Certified Wireless USB?
Certified Wireless USB, (hereinafter WUSB), is a short range, high bandwidth RF communication
protocol that is capable of sending 480 Mbps at distances up to 3 meters (approximately 10 feet) and 110
Mbps at up to 10 meters (approximately 33 feet). WUSB is designed to operate in the 3.1 GHz to 10.6
GHz RF band in the United States.
WUSB is not a networking technology; instead it uses the same hub and spoke model used by traditional
wired USB. This architecture is one in which a single host, otherwise known as a hub, manages up to 127
end devices.
Using Certified Wireless USB
Typically, the WUSB hub must first be attached to the computer for association before the WUSB hub
will be recognized by the WUSB module. Please refer to your WUSB hub manual for detailed installation
instructions.
The Wireless Device On/Off Switch will power off all of the aforementioned devices simultaneously. To
enable or disable any of the devices individually, perform the following steps:
1 Slide the Wireless Device On/Off switch to the On position (refer to your system User's Guide if you are unsure
of the switch location).
2 In the Control Panel, click the button associated with WUSB to enable or disable the device.
3 Click [OK].