Calculo De Antennae Para Wifi Repeater
This document defines radio frequency (RF) power levels and the most common measure, the decibel (dB). This information can be very useful when you troubleshoot intermittent connectivity.Cisco recommends that you have knowledge of basic mathematics, such as logarithms and how to use them.This document is not restricted to specific software and hardware versions.Refer to for more information on document conventions.The dB measures the power of a signal as a function of its ratio to another standardized value. The abbreviation dB is often combined with other abbreviations in order to represent the values that are compared. Here are two examples:.dBm—The dB value is compared to 1 mW.dBw—The dB value is compared to 1 W.You can calculate the power in dBs from this formula: Power (in dB) = 10. log10 (Signal/Reference)This list defines the terms in the formula:.log10 is logarithm base 10.Signal is the power of the signal (for example, 50 mW).Reference is the reference power (for example, 1 mW).Here is an example. If you want to calculate the power in dB of 50 mW, apply the formula in order to get: Power (in dB) = 10. log10 (50/1) = 10.
Calculo De Antennae Para Wifi Repeater Windows 7
log10 (50) = 10. 1.7 = 17 dBmBecause decibels are ratios that compare two power levels, you can use simple math in order to manipulate the ratios for the design and assembly of networks.
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