The WSPP-IGA-75-9 from Wavespectrum Laser Inc. is a Photodiode with Wavelength Range 1100 to 1650 nm, Bandwidth 2 GHz, Capacitance 0.7 to 1 pF, Dark Current 0.3 to 2 nA, Responsivity/Photosensitivity 0.8 to 0.9 A/W. More details for WSPP-IGA-75-9 can be seen below.