A handheld optical variable attenuator used for continuously variable optical signal attenuation. This handheld variable attenuator can be used in digital communication devices such as PHD and SDH. It may also be used within analog modulation (CATV).
- Stepped attenuation via a circumgyrated dial: Increments of 0.05dB
- Displays both dB and dBm
- Auto-off when not used for 10 minutes
- Restored memorizes values following auto-off for next use