Single Wire Protocol

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The Single Wire Protocol (SWP) is a specification for a single-wire connection between the SIM card and a Near Field Communication chip in a cell phone. It is currently under final review by the European Telecommunications Standards Institute ^[1][2].

References

1. ETSI SCP Activity Report 2007. [1]
2. The Register, The future of the SIM hangs by a single Wire 2008. [2]
3. GSM Association: Requirements For SWP NFC Handsets V2 2008. [3]