The CHT4690-FAA from United Monolithic Semiconductors is a RF Variable Attenuator with Frequency 5 to 30 GHz, Attenuation Range 3.5 to 37 dB, Power 1 W, P1dB 25 dBm, Insertion Loss 4 dB. Tags: Surface Mount, Voltage Controlled. More details for CHT4690-FAA can be seen below.