The V0042 from Custom Microwave Components is a RF Variable Attenuator with Frequency 4 to 8 GHz, Attenuation Range 80 dB, Insertion Loss 1.7 dB, Operating Temperature -55 to 85 Degree C, Storage Temperature -65 to 125 Degree C. Tags: Module with Connectors, Drop In, Continuously Variable. More details for V0042 can be seen below.