A good dBm (decibel-milliwatt) value depends on the context and the type of signal. For most applications, a value between -50 dBm and -70 dBm is considered good, indicating strong signal strength with minimal interference.
How many dBm is good WiFi?
Good WiFi signal strength is typically between -30 dBm and -60 dBm. Values closer to -30 dBm indicate excellent signal strength and higher quality, while values around -60 dBm are still acceptable but may result in reduced performance.
An SNR of 70 dBm is unusually high and typically not used in standard signal strength measurements. It may indicate a measurement error or an incorrect scale. In practical terms, signal strength is usually measured in negative dBm values, with higher (less negative) values representing stronger signals.
For 5G, a good signal strength is generally considered to be between -50 dBm and -70 dBm. Stronger signals, closer to -50 dBm, provide better performance and reliability, while weaker signals closer to -70 dBm may result in reduced speed and connectivity issues.
A dBm value of 10 dBm represents a power level of 10 milliwatts. This value indicates a relatively strong signal, often used in contexts such as transmitter power levels or signal strength measurements in various communication systems.