The STZ-75311416-10-I1 from ERAVANT is a Noise Source with Frequency 75 to 110 GHz, Excess Noise Ratio (ENR) 13 to 16 dB, Flatness ±1.5 dB, Voltage 18 to 30 V, Current 35 to 75 mA. Tags: Waveguide Noise Source. More details for STZ-75311416-10-I1 can be seen below.