The STZ-75311418-10-I1 from ERAVANT is a Noise Source with Frequency 75 to 110 GHz, Excess Noise Ratio (ENR) 15 to 18 dB, Flatness ±1.5 dB, Temperature Coefficient 0.01 dB/Degree C, Voltage 15 to 30 V. Tags: Module with Connectors. More details for STZ-75311418-10-I1 can be seen below.