The R&S FS-SNS110 from Rohde & Schwarz is a Noise Source with Frequency 75 to 110 GHz, Output Power 1 W, Excess Noise Ratio (ENR) 13 dB, Flatness ±0.79 dB (ENR Uncertainty), Temperature Coefficient 0.009 dB/Degree C. More details for R&S FS-SNS110 can be seen below.