What is the system bandwidth of NB-IoT? (Single choice)

• A.180KHz
• B.12KHz
• C.15KHz
• D.60KHz

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What kinds of AT commands are divided into

• A.Testing
• B.Settings
• C.Execution
• D.Inquiry

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What is the lowest wired water meter in terms of wiring cost ()?

• A.M-busl
• B.ZigBee
• C.RS232
• D.RS-485

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What are the benefits that smart inspections cannot achieve ()?

• A.Improve inspection efficiency
• B.Improve production process
• C.Improve worker safety
• D.Reduce worker burden

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Is the format of the terminal registration verification code in the SoftRadio added device correct?

• A.TEST$_test123
• B.TEST&_test123
• C.test$_test
• D.test&_test

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