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White paper G900c
64 August 2008
GPRS maximum data rates (Kpbs)
Hardware buttons
R Reference point Physical layer: Support of RS232
PPP is supported as L2 layer in the R reference point
Authentication algorithms PAP, CHAP supported
IP connectivity PDP type IP is supported
IP termination in mobile or TE (laptop, PDA) supported
PDP context 10 PDP context descriptions stored in mobile
PDP context description is edited via application in mobile,
AT-command or via OTA
Simultaneous PDP contexts are supported, maximum 2.
SIM GPRS aware and non-GPRS aware SIM cards are supported.
AT commands Some of the supported commands:
AT+CGDCONT - DEFINE PDP CONTEXT
AT+CGQREQ - Quality of Service Profile (REQUESTED)
AT+CGQMIN - Quality of Service Profile (Minimum Acceptable)
AT+CGATT - PACKET DOMAIN SERVICE ATTACH OR DETACH
AT+CGACT - PDP CONTEXT ACTIVATE OR DEACTIVATE
AT+CGDATA - ENTER DATA STATE
For more information, see www.sonyericsson.com/developer
CS-1 9.05 Kbps CS-2 13.5 Kbps CS-3 15.6 Kbps CS-4 21.4 Kbps
4 + 1 Rx 36.2 53.6 62.4 85.6
Tx 9.05 13.4 15.6 21.4
On/Off button
Keypad with 12 keys
Note-it key
Multi-messaging key
Keylock key
Back key
Navigation key, 5-way: up, down, left, right and inwards
C (Cancel) key
Dimension Support