Description: The Agilent HP 83485B is a Optical / Electrical Plug-in

Product Specs:
The Agilent HP 83485B features an Optical Channel, which is unamplified 980 nm -1625 nm Single Mode (SM), 30GHz BW, Sensitivity: -8 dBm
And an Electrical Channel, which is 18GHz and 40GHz BW , 2.4 mm connectors.

Other Info:
The unit is a plug-in module for the HP Agilent 83480A Digital Communications Analyzer.