|   Product descriptionVOA135 Mechanical Manual Variable Attenuator is a fiber-pigtailed component that sets attenuation levels in the range of 35dB. By turning an adjustment screw, attenuator can be precisely set. The compact housing is designed for mounting on a printed circuit board or within an enclosure. An optional resistance readout for filter location purposed is available.   Product feature    Continuous trimpot adjustment to 35dB    Typical resolution of 0.02dB    Rugged and field proven    Thermal stability    Easy to install and adjust   Main application  Receiver input power adjustable  EDFA output power adjustable  Optical power equalization  System testing  Laboratory application |