The NX32238V from Narda-ATM is a Noise Source with Frequency 2 to 38 GHz, Excess Noise Ratio (ENR) 20 dB, Flatness ±2 dB, Temperature Coefficient 0.01 dB/Degree C, Voltage Coefficient 0.1 dB/%V. Tags: Module with Connectors. More details for NX32238V can be seen below.