题目内容

关于AT+CSQ命令返回:AT+CSQ:,,说法错误的是( )。

A. rssi代表信号质量,ber代表误码率
B. rssi的值如果返回为99,则说明没有信号
C. rssi的值数字越小,说明信号质量越好
D. rssi的值数字越大,说明信号质量越好

查看答案

搜索结果不匹配？点我反馈

更多问题

-Do you mind siting near the bar?-___________________________

A. That’s all right.
B. I’d like a chocolate bar.
C. We’ll have some water.

-Are you ready to order?-___________________________

A. Yes, we are ready.
B. No, we don’t have any order.
C. Yes, we will leave soon.

-What would you like for the main course?-___________________________

An ice cream.
B. A fish pie.
C. A meat soup.

-What do you recommend?-___________________________

A. Thank you
B. I believe these tables are reserved.
C. The steak pie is very good.