9
5.2 SMS
• Point-to-point MT and MO
• SMS cell broadcast
• Text and PDU mode
5.3 Data
• CSD up to 14.4kbps
• USSD
• Non-transparent mode
• GPRS: max.85.6kbps (downlink)
max.42.8kbps (uplink)
• Coding scheme CS 1,2,3,4
• PPP-stack, TCP/IP protocol
