• 60dB attenuation with 0.001dB resolution, without ranging
• 1200nm to 1650nm wavelength range
• 60dB return loss
• +23dBm maximum input power

The Keysight 8156A optical attenuator is ideal for making measurements on fast telecommunication systems. It is employed in R&D and production and is suitable for both single-mode and 50m multi-mode application. A variety of options for different return loss performance, built-in monitor paths and overall accuracy make the 8156A easily adaptable to your measurement requirements.