dBm to Watt Conversion CalculatorMoonblink is the source for
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dBm = log10 (mW)*10
mW =10^(dBm/10)
| 40 dBm |
10.00 watts |
|
| 36 dBm |
4.00 watts |
{ Maximum ERP allowed by FCC in U.S. |
| 30 dBm |
1.00 watts |
|
| 27 dBm |
500 milliwatts |
|
| 26 dBm |
400 milliwatts |
|
| 25 dBm |
320 milliwatts |
|
| 24 dBm |
250 milliwatts |
|
| 23 dBm |
200 milliwatts |
{ Typical output from WLAN devices at 915MHz |
| 22 dBm |
160 milliwatts |
|
| 21 dBm |
130 milliwatts |
|
| 20 dBm |
100 milliwatts |
{ Maximum ERP allowed by E.T.S.I. In Europe |
| 15 dBm |
32 milliwatts |
|
| 10 dBm |
10 milliwatts |
|
| 5 dBm |
3.2 milliwatts |
|
| 4 dBm |
2.5 milliwatts |
|
| 3 dBm |
2.0 milliwatts |
|
| 2 dBm |
1.6 milliwatts |
|
| 1 dBm |
1.3 milliwatts |
|
| 0 dBm |
1.0 milliwatts |
|
| 1- dBm |
0.79 milliwatts |
|
| 5- dBm |
0.32 milliwatts |
|
| 10- dBm |
0.1 milliwatts |
|
| 20- dBm |
0.01 milliwatts |
|
| 30- dBm |
0.001 milliwatts |
|
| 40- dBm |
0.0001 milliwatts |
|
| 50- dBm |
0.00001 milliwatts |
|
| 60- dBm |
0.000001 milliwatts |
|
| 70- dBm |
0.0000001 milliwatts |
|
| 80- dBm |
0.00000001 milliwatts |
{Receive threshold for most WLAN devices |
|
