What is a "Db Dbm"? The Most Authoritative Explanation.
What's the difference between DB and DBM?
dB quantifies the ratio between two values, whereas dBm expresses the absolute power level. dBm is an absolute unit, whereas dB is a dimensionless unit. dBm is always relative to 1mW, while dB is expressed in watts and can be relative to other powers. What is the difference between DB and DBM?What is the relation between DB and DBM?
how can to convert from DB to DBm is the formula that DBm=DB+30 and DB=DBm-30 15th April 2012 at 07:30 #68077 Reply pix Guest misa, no, that is very very wrong. dB cannot be converted in dBm ! those are not counting the same thing. dBm is an absolute power. It can be converted in Watts. 2W = 33dBmHow to convert dB to DBM?
• The unit dB uses the lower threshold power of hearing as the reference power level, whereas dBm uses 1 milliwatt as the reference power level. • Same power level measured with dB and dBm separately gives a difference of 9 dB.How are the units DB and DBM related?
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