The GCP6021 from Teledyne Microwave Solutions is a RF Variable Attenuator with Frequency 2 to 6 GHz, Attenuation Range 15 to 17 dB, Power 0.63 W, P1dB 28 dBm, Insertion Loss 1.3 to 2.5 dB. Tags: Module with Connectors, Voltage Controlled. More details for GCP6021 can be seen below.