Huawei IoT gateway Zigbee physical layer technology adopts the following () standards?

• A.lEEE802.15.4
• B.EC103
• C.EEE802.15.1
• D.EC104

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In Huawei's lighting IoT solution, the standard for adaptation is to follow the following () standards?

• A.IEC61850
• B.IEC62056
• C.ANSI C136.41
• D.ANSIC21

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Ar501L1Rc model device off status indicator is ()?

• A.No LED
• B.Red light
• C.Zi Guang
• D.Yellow light

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The physical layer technology of Huawei IoT Gateway 6LoWPAN adopts the following () standards?

• A.IEEE802.15.1
• B.IEC104
• C.IEC103
• D.IEEE802.15.4

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eLTE-JoT improves transmission efficiency and system capacity through () technology?

• A.PSM
• B.Frequency hopping technology
• C.HARQ+ARQ
• D.Fast transmission of small packets

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