Why are Signal Strength Numbers Negative?

Signal strength numbers, particularly in the reception of wireless signals, are often negative because they are typically expressed in decibel-milliwatts (dBm). dBm is a logarithmic unit of power relative to …

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Is a Higher or Lower dBm Better?

Whether a higher or lower dBm (deciBel-milliwatts) value is better depends on the context of the application and what you are trying to achieve. In this post we review different …

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Why are dBm values negative?

Most measurements on phones or laptops for signal strengths of Wi-Fi, 4G or 5G networks are negative dBm values. The reason for this is that the received signal power is …

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dB vs Hz – What’s the difference?

dB (decibels) and Hz (hertz) are units used in different contexts and measure different physical quantities. Here is an explanation of each and their differences. Decibels (dB) Definition Decibels are …

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