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Working with Wireless Wide Area Networking (WWAN)
Overview
Dolphin 7800 models equipped for WWAN connectivity have an integrated voice + data radio, which sup-
ports GSM/HSPA+/UMTS/GPRS/EDGE network communications.
Requirements
Using GSM/HSPA+/UMTS/GPRS/EDGE requires:
• a network subscription to a GSM/HSPA+/UMTS/GPRS/EDGE network (you need to know what service
providers are in your geographic area), and
• an installed SIM card that has been activated by the network service provider (see Installing a SIM Card
and/or Replacing the Memory Card on page 3-15).
Antenna Band
The WWAN radio features an internal antenna that is optimized for power output and receiver sensitivity.
This is an omni-directional antenna. For terminals equipped with the voice + data (Phone) WWAN radio,
there is a penta band antenna that supports 3G 800/850/AWS/1900/2100MHz (HSPA+/UMTS), and a
quad-band 2G 850/900/1800/1900MHz (GSM/GPRS/EDGE).
Signal Strength
On terminals equipped with a WWAN (voice + data) radio, the signal strength of the WWAN connection
is indicated by the number of bars that appear in the signal strength icon in the Status bar at the top of
the window. The stronger the signal strength the
GSM Short for Global System for Mobile communications, GSM is an open, non-proprietary wireless WAN
system that is constantly evolving and growing.
HSPA+ Short for High-Speed Download Packet Access, HSPA+ is a non-voice value added service that allows
packet-switched data to be instantly sent and received across mobile telephone networks.
UMTS Short for Universal Mobile Telecommunications System, UMTS is a non-voice value added service that
allows packet-switched data to be instantly sent and received across mobile telephone networks.
GPRS Short for General Packet Radio Service, GPRS is a non-voice value added service that allows packet-
switched data to be instantly sent and received across mobile telephone networks.
EDGE E-GPRS is a non-voice value added service that allows packet-switched data to be instantly sent and
received across mobile telephone networks at a higher data rate than standard GPRS.
Icon Indicates…
Signal strength of the radio connection is strong.
Signal strength of the radio connection is low.
No signal.