dBmdBm is a power unit, reference 0 dBm(z) defined as 1 milliwatt dissipated in the defined impedance (z) |
dBµVdBµV is a voltage unit, reference is defined as 0 dBµV = 1 µVolt |
dBm | dBµV | Power | Voltage |
+20 dBm | 127 dBµV | 100 mW | 2.23 V |
+10 dBm | 117 dBµV | 10 mW | 707 mV |
0 dBm | 107 dBµV | 1 mW | 223 mV |
-10 dBm | 97 dBµV | 100 µW | 70.7 mV |
-20 dBm | 87 dBµV | 10 µW | 22.3 mV |
-30 dBm | 77 dBµV | 1 µW | 7.07 mV |
-40 dBm | 67 dBµV | 100 nW | 2.23 mV |
-50 dBm | 57 dBµV | 10 nW | 707 µV |
-60 dBm | 47 dBµV | 1 nW | 223 µV |
-70 dBm | 37 dBµV | 100 pW | 70.7 µV |
-80 dBm | 27 dBµV | 10 pW | 22.3 µV |
-90 dBm | 17 dBµV | 1 pW | 7.07 µV |
-100 dBm | 7 dBµV | 0.1 pW | 2.23 µV |
-110 dBm | -3 dBµV | 0.01 pW | 707 nV |
-120 dBm | -13 dBµV | 0.001 pW | 223 nV |