| 单词 | 1G (1st Generation) |
| 释义 | 1G (1st Generation) In cellular radio, referring to analog systems such as Advanced Mobile Phone Sys- tem (AMPS), Narrowband AMPS (N-AMPS), Nordic Mobile Telephone (NMT), and Total Access Com- munications System (TACS). See also 2G, 2.5G, 3G, AMPS, analog, cellular radio, N-AMPS, NMT, and TACS. |
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