Features:

Rotating disks stepping attenuation: stepping quantity 0.1 dB and stepping 2.5 dB optional Having relatively attenuation values or absolute attenuation values Having automatic shutdown function if no operation in 10 minutes

Specifications:

Attenuator wavelength range  1260~1650nm 
Fiber type  9/125um single mode fiber 
Connector type  FC/PC 
Calibration wavelength  1310/1490/1550 
Attenuator range  2.5~60dB