Sony Ericsson GR47/GR48 - Manual (Page 11)

2. GR47/GR48 RADIO DEVICES
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LZT 123 7589 R1A
2.3.4 Data
The radio device supports the following data protocols:
•
*356 *HQHUDO 3DFNHW 5DGLR 6HUYLFH
The radio devices are Class B terminals. The radio devices are GPRS
4+1 enabled, which are capable of receiving at a maximum of four
timeslots per frame (down link), and transmitting in one timeslot per
frame (up link).
•
&6' &LUFXLW 6ZLWFKHG 'DWD
The radio devices are capable of establishing a CSD communication at
9.6 kbps.
•
+6&6' +LJK 6SHHG &LUFXLW 6ZLWFKHG 'DWD 
The radio devices support HSCSD communication, with one timeslot
per frame capacity in the up link and two timeslots per frame capacity
in the down link (2+1).
2.3.5 SIM Card
An external SIM card with 3 V or 5 V technology, can be connected to the
radio device via its 60-pin system connector.
2.3.6 Power Consumption
1RWH
The power consumption during transmission is measured at maximum
transmitted power.
2.3.7 Other Features
These include:
• 07.10 multiplexing.
• GPS interoperability.
• SIM application tool kit, class 2 release 96 compliant.
• Embedded application
• On board TCP/IP stack
• E-OTD (Supported by GR48)
Idle Mode Transmit/Operation
GSM 850 and E-GSM 900 Voice/CSD < 5 mA < 250 mA (< 2 A peak)
Data (GPRS 4+1) < 5 mA < 350 mA (< 2 A peak)
GSM 1800 and GSM 1900 Voice/CSD < 5 mA < 250 mA (<1.75 A peak)
Data (GPRS 4+1) < 5 mA < 350 mA (<1.75 A peak)