The FMNG1020 from Fairview Microwave is a Noise Source with Frequency 0.01 to 2000 MHz, Excess Noise Ratio (ENR) 30 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 FMNG1020 can be seen below.