1세대 이동통신: Revision history

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28 December 2019

15 August 2019

  • curprev 15:0715:07, 15 August 2019116.120.12.172 talk 798 bytes +798 새 문서: ;1st generation mobile communication; First Generation Mobile Communication * AMPS(미국) * TACS(영국) * NMT(스웨덴) * 1946년에 수동접속 교환방식인 MTS시스템으...