Dell AND SVUA Product Information Manual page 18

Class A Device
Please note that this device has been approved for business purposes with regard to electromagnetic interference. If you find that
this device is not suitable for your use, you may exchange it for a nonbusiness-purpose device.
MIC Class A Regulatory Label
If the regulatory label includes the following marking, your computer is a Class A product:
Class B Device
Please note that this device has been approved for nonbusiness purposes and may be used in any environment, including residential
areas.
MIC Class B Regulatory Label
If the regulatory label includes the following marking, your computer is a Class B product:
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Product Information Guide