問題詳情
5. 新一代的藍芽(Bluetooth)4.0通訊模組是使用在哪一個通訊頻段？
(A)2G
(B)2.4G
(C)4G
(D)5G。
(A)2G
(B)2.4G
(C)4G
(D)5G。
參考答案
答案：B
難度：簡單0.772727
統計：A(0),B(17),C(2),D(3),E(0)
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