The ATEK356P3 from ATEK MIDAS is a RF Variable Attenuator with Frequency DC to 14 GHz, Attenuation Range 9.1 to 9.4 dB, IIP3 45 dBm, Insertion Loss 0.9 to 3 dB, Supply Voltage 5 V. Tags: Surface Mount, Digital. More details for ATEK356P3 can be seen below.