The RFVAT0408R50 from RF-Lambda is a RF Variable Attenuator with Frequency 4 to 8 GHz, Attenuation Range 50 dB, Power 5 to 20 W, P1dB 37 to 43 dBm, Insertion Loss 1.8 dB. Tags: Module with Connectors, Voltage Controlled. More details for RFVAT0408R50 can be seen below.