HP iPAQ hw6900 Product Information Manual page 8

NOTE Use of dial-up and wireless Internet, e-mail, corporate networks, and
other wireless communications, such as Bluetooth-enabled devices, might
require separately purchased additional hardware and other compatible
equipment, in addition to a standard Wi-Fi infrastructure and a separately
purchased service contract. Check with your service provider for availability
and coverage in your area. Not all Web content may be available. Some Web
content may require installation of additional software.
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When you see a in this document, it refers to the above note.
i