The CVAK3402020 from Cernex Inc is a RF Variable Attenuator with Frequency 30 KHz to 40 GHz, Attenuation Range 0 to 20 dB, Power 0.1 W, P1dB 20 dBm, Insertion Loss 3.5 dB. Tags: Module with Connectors, Voltage Controlled. More details for CVAK3402020 can be seen below.