The MVC001005R60 from Meuro Microwave is a RF Variable Attenuator with Frequency 100 to 500 MHz, Attenuation Range 0 to 60 dB, Power 0.5 W, Insertion Loss 0.5 dB, Control Voltage 2 to 5 V. Tags: Module with Connectors, Voltage Controlled. More details for MVC001005R60 can be seen below.