The ATEK350N4 from ATEK MIDAS is a RF Variable Attenuator with Frequency 2 to 40 GHz, Attenuation Range 12.8 to 34 dB, P1dB 22 dBm, IIP3 32 dBm, Insertion Loss 0.4 to 4 dB. Tags: Surface Mount, Voltage Controlled. More details for ATEK350N4 can be seen below.