The CVAK3502020 from Cernex Inc is a RF Variable Attenuator with Frequency 30 KHz to 50 GHz, Attenuation Range 0 to 20 dB, Power 0.1 W, P1dB 20 dBm, Insertion Loss 4.5 dB. Tags: Module with Connectors, Voltage Controlled. More details for CVAK3502020 can be seen below.