Thanks Dan for the explanation. However, the value is still in mW. How do I embed my calculation to show in dBm as shown below.

$P is the value in mW.
$M is the value in dBm  that I need.

$RxP = $P/10000000;
$log_10 = 10*log10($RxP*1000);
$M = sprintf "%.2f", $log_10; ($M is rounded up to 2 decimal places).


‘Tunde Oyeyemi
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