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Voice and Data Communication
Dolphin terminals with integrated GSM/HSDPA/UMTS/GPRS/EDGE radios are optimized for the
following two-way voice and data communications:
Voice: GSM voice data (dial-up)
Data: Available speed depends on the wireless network carrier and their supported packet-data
technology in addition to network conditions.
GPRS Class 10: data transmission max. 85.6 kbps (DL), max. 42.8 kbps (UL)
HSDPA: data transmission max. 3.6 Mbps (DL), max. 384 Kbps (UL)
UMTS: data transmission max. 384 Kbps (DL), max 384 Kbps (UL)
EDGE (E-GPRS) Class 10: data transmission max. 237 Kbps (DL), max. 118 kbps (UL)
You can use the GSM radio for voice communication and data communication but not at the same time.
If you want to communicate over the phone (voice), you cannot send data. If you want to send data, you
cannot use the phone.
SIM Card Installation
Short for Subscriber Information Module, a SIM card stores the subscriber's personal information,
GSM/GPRS radio settings, security keys, contacts, etc. SIM cards can be installed in compatible mobile
devices, enabling you to switch devices without losing personal and setup information.
SIM Card Requirements
Before installing the SIM card:
• The service provider must activate the SIM card.
• The terminal must be powered down.
Note: If no SIM card is installed, you can still make emergency phone calls such as 9-1-1, for example.
SIM Card Socket
Battery Well