A.提高數(shù)據(jù)傳輸速率B.降低信號(hào)干擾C.增加通信距離D.提高頻率利用率
A.2MbpsB.1MbpsC.250kbpsD.100kbps
A.Bluetooth 4.0B.Bluetooth 5.0C.Bluetooth 4.2D.Bluetooth 2.1