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25 Data connection types over the
mobile phone network
Overview
Your iPAQ supports different types of 2G and 3G connection standards. The table below provides brief
information about the connection standards supported by your iPAQ and the features each standard
provides:
Connection Standard Technology Generation Supports Data Supports Simultaneous
Data and Voice
HSDPA 3.5G Yes Yes
WCDMA 3G Yes Yes
EDGE 2.75G Yes No
GPRS 2.5G Yes No
GSM 2G No No
HSDPA
High Speed Downlink Packet Access (HSDPA), also known as 3.5G, is an enhancement of Wideband
Code Division Multiple Access (WCDMA) which is based on 3G technology, and offers faster data
speeds. Your iPAQ supports HSDPA and 384 kbps uplink. iPAQ also supports WCDMA over three
different frequency bands (850/1900/2100). When WCDMA or HSDPA is available, the iPAQ uses
the technology and reverts back to GSM/GPRS/EDGE if WCDMA or HSDPA is unavailable.
GPRS/EDGE
The GPRS/EDGE technology enables the mobile phone network to be used for messaging, to access
the corporate network, or the Internet.
NOTE: EDGE is an enhancement to GPRS technology and enables higher speed data connections
than GPRS. This means faster phone multimedia capabilities such as sending and receiving text or
multimedia messages, and sharing video clips. Check with your service provider to see if they support
EDGE technology. If your service provider does not support the EDGE network, the iPAQ defaults to GPRS.
128 Chapter 25 Data connection types over the mobile phone network