The FMNG1022 from Fairview Microwave is a Noise Source with Frequency 1 to 18 GHz, Excess Noise Ratio (ENR) 15 dB, Flatness ±1.5 dB, Temperature Coefficient < 0.01 dB/ Degree C, Voltage Coefficient < 0.1 dB/%V. Tags: Module with Connector. More details for FMNG1022 can be seen below.