Question: 1
The southbound device sends AT commands to SoftRadio through the serial port. As a result, SoftRadio does not display any information. The reason is ()? (multiple choice)
Question: 2
What is the programming language used in the example of Keil integrated development environment ()?
Question: 3
Does NB-loT re-cultivation and deployment of GSM frequency band need to adopt () method?
Question: 4
The basic features of the HuaweiLireOS kernel do not include the following () options?
Question: 5
AR502EGRc-Lc type gateway to add whitelist command is ()?
