Key Features
- Attenuation range 2.5 to 60 dB
 - Absolute and relative attenuation setting
 - FTTx ready
 - Automatic stabilization of the output power even if the launched input fluctuates (level controller mode)
 - Direct setting of the output power (level controller mode)
 - Up and down arrow key to precise and fast manual setting
 - Robust, shock-proof, and splash-proof design for field operation
 - USB port for remote operation
 - 40 Gbps ready due to low Differential Group Delay
 - Traceable measurements to NIST/PTB standards for confidence in accuracy
 - 400 adjustable wavelengths for the OLA-55/55M
 



