Sony Ericsson GR64 - Manual (Page 17)

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2.3.8 Other Features
The GR64 supports many other features, including:
• 3GPP TS 27.010 multiplexing
• GPS interoperability
• SIM application tool kit, class 2 release 99 compliant
• On board TCP/IP stack
In addition, customers have the option of a GS64 software variant which adds
embedded application functionality.