Samsung SGH-T709BKBTMB - Manual (Page 165)

Section 12: WI-FI 161
Introducing Your T-Mobile Wi-Fi Capable Phone
Sect
ion 12
services. This includes voice calls, mobile browsing, e-
mail, Picture Messaging, Text Messaging, and basically
any mobile service for which your phone uses a network
connection.
UMA technology offers fast, reliable, and affordable
connectivity for your life using your mobile phone for
virtually all of your communications. UMA connects
your mobile phone to your GSM/GPRS services through
WLAN (802.11) and allows you to handle calls, send and
receive messages, and check your e-mail. This technology
allows you to use your mobile phone in all of the ways you
normally do. The only difference with using UMA
technology is that you are connecting through a wireless
broadband Internet connection (Wi-Fi).
What is Wi-Fi?
Wi-Fi, or Wireless Fidelity, is a term that is used
generically to refer to any product or service using any
type of 802.11 technology. Wi-Fi networks operate in the
unlicensed 2.4 and 5 GHz radio bands, with an 11 Mbps
(802.11b) or 54 Mbps (802.11a) data rate.
Wi-Fi enabled devices (laptops and PDAs as well as UMA
phones) can send and receive data wirelessly from any
location equipped with Wi-Fi access. This is
accomplished using wireless routers, installed within a
Wi-Fi location. A wireless router transmits an RF signal
to Wi-Fi enabled devices that are within range of the
router. Depending on the particular router, its range is
usually about 300 feet. The speed of the transmission is
governed by the speed of the pipeline fed into the
wireless router.