The STZ-22427410-03-IT2 from ERAVANT is a Noise Source with Frequency 220 to 270 GHz, Excess Noise Ratio (ENR) 10 dB, Flatness ±3 dB, Voltage 15 to 30 V, Current 70 mA. Tags: Module with Connectors. More details for STZ-22427410-03-IT2 can be seen below.