The HMC346AMS8GE from Analog Devices is a RF Variable Attenuator with Frequency DC to 8 GHz, Attenuation Range 23 to 32 dB, Power 4 to 8 dBm (P0.25 dB), IIP3 10 to 30 dBm, Insertion Loss 2.1 to 3.1 dB. Tags: Surface Mount, Voltage Controlled. More details for HMC346AMS8GE can be seen below.