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HPE6-A85 · Question #38
When measuring signal strength, dBm is commonly used and 0 dBm corresponds to 1 mW power. What does -20 dBm correspond to?
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Fundamentals of Campus Access Networking
Question
When measuring signal strength, dBm is commonly used and 0 dBm corresponds to 1 mW power. What does -20 dBm correspond to?
Options
- A.-1 mW
- B.01 mw
- C10 mW
- D1mW
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Topics
#dBm#signal strength#RF math#power measurement