The ATEK350AP4 from ATEK MIDAS is a RF Variable Attenuator with Frequency 2 to 40 GHz, Attenuation Range 17 to 43 dB, Insertion Loss 0.3 to 4.6 dB, Supply Voltage -3 to 0 V, Current 3 mA. Tags: Surface Mount, Voltage Controlled. More details for ATEK350AP4 can be seen below.