Which three call information items does AirMagnet VoFi Analyzer provide?（）
- A、the codec used by the calling phone
- B、approximate length of the call in minutes
- C、MOS values throughout the duration of the call
- D、802.11e access category overruns
- E、co-channel interference percentage during the call
正确答案:A,B,C
答案解析:有
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