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SWP - Single Wire Protocol

Defined by ETSI , the SWP is a bit orientated point-to-point communication protocol that exists between the NFC device and a SIM. It operates in full duplex mode by transmitting two signals S1 and S2 in the voltage and current domain respectively.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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