The WSPD-IGA-75-1 from Wavespectrum Laser Inc. is a Photodiode with Wavelength Range 850 to 1700 nm, Bandwidth 1.5 GHz, Capacitance 0.7 pF, Dark Current <0.6 nA, Responsivity/Photosensitivity >0.85 to 0.9 A/W. More details for WSPD-IGA-75-1 can be seen below.