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Wireless expansions are currently
some of the most demanded additions to PDA's. Bluetooth is a
short range wireless protocol that will soon allow for connectivity of
Bluetooth keyboards, mice, headphones, and more. WiFi (or
802.11b) is a longer range wireless standard that allows for
connectivity between devices and access points at a distance of 300ft
to over 1000ft. GSM, GPRS, and CDMA are cellular based wireless protocols
that allow for not only data transmission but often voice transmission
as well. (GSM, GPRS, and CDMA require a service package from a
cellular data service provider.) |
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