Optical Power Converter (dBm ↔ mW)
Convert optical power measurements between decibel-milliwatts (dBm) and milliwatts (mW) in real-time.
Optical Power Reference Scale
Standard baseline decibel scales for telecom interfaces.
| Power (dBm) | Power (mW) | Description / Context |
|---|---|---|
| +20 dBm | 100 mW | High power laser transmitters / long haul booster output. |
| +10 dBm | 10 mW | Common launch power for CATV optical transmitters. |
| 0 dBm | 1.0 mW | Reference baseline level. Standard launch target for short-reach modules. |
| -3 dBm | 0.5 mW | 50% power loss (Half-power point). |
| -10 dBm | 0.1 mW | Typical minimum power required for high-speed fiber transceivers (10G+). |
| -20 dBm | 0.01 mW (10 µW) | Standard receiver sensitivity lower boundary for Gigabit Ethernet. |
| -30 dBm | 0.001 mW (1 µW) | High sensitivity receiver limit (long-reach SM). Below this is dark fiber. |