The ATEK359P4 from ATEK MIDAS is a RF Variable Attenuator with Frequency 500 MHz to 4 GHz, Attenuation Range 30.5 to 31.5 dB, Insertion Loss 1.2 to 2.6 dB, Supply Voltage 5 V, Current 5 mA. Tags: Surface Mount, Digital. More details for ATEK359P4 can be seen below.