10G 850nm PIN + Preamp - LC ROSA with RSSI
https://www.epsglobal.com/Media-Library/EPSGlobal/Products/files/finisar/roadm-fws-optoelectronic/HFD6180-421.jpg?ext=.jpg&maxsidesize=400
The HFD6180-421 uses a high-performance GaAs PIN photo-detector packaged with a transimpedance amplifier designed to meet performance requirements for 10Gbps data communication over multi-mode optical fiber at 850nm.
HFD6180-421
HFD6180-421
Coherent
https://www.epsglobal.com/getmetafile/94cfad1c-656d-435e-8625-94600a97706c/Coherent