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Working with GSM/GPRS/EDGE
Overview
The Dolphin 6000 terminal is designed with an integrated, embedded GSM/GPRS/EDGE radio module for WWAN communica-
tion.
Requirements
Using GSM/GPRS/EDGE requires:
• Network subscription to a GSM/GPRS/EDGE network (you must know what service providers are in your geographic area)
• An installed SIM card that has been activated by the network service provider (see Installing a SIM Card, page 9-2).
Voice and Data Communication
Dolphin 6000 terminals with integrated GSM/GPRS/EDGE radios are best for the following two-way voice and data communica-
tions:
• Voice: GSM voice data (dial-up)
• Data: Available speed depends on the wireless network carrier and their supported packet-data technology and network
conditions.
• GPRS Class 10: data transmission max. 85.6 kbps (DL), max. 42.8 kbps (UL)
• EDGE (E-GPRS) Class 10: data transmission max. 237 Kbps (DL), max. 118 kbps (UL)
GSM radio for voice communication and data communication can be used, but not at same time. If making a voice call, the ter-
minal cannot send data. If sending data, the terminal cannot make voice calls.
SIM Card Installation
A Subscriber Information Module (SIM) card contains subscriber's personal information, GSM/GPRS radio settings, security
keys, contacts, etc. SIM cards can be installed in compatible mobile terminals that can switch terminals without losing personal
and setup information.
GSM Global System for Mobile communications, GSM, is an open, non-proprietary wireless
WAN system.
GPRS General Packet Radio Service, GPRS, is a non-voice service that allows packet-
switched data to be instantly sent and received across mobile telephone networks.
EDGE E-GPRS is a non-voice service that allows packet-switched data to be instantly sent
and received across mobile telephone networks at a higher data rate than standard
GPRS.
SIM Card
Socket