The V0025 from Custom Microwave Components is a RF Variable Attenuator with Frequency 500 MHz to 2 GHz, Attenuation Range 30 dB, Insertion Loss 1.8 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 V0025 can be seen below.