The HMC424AG16 from Analog Devices is a RF Variable Attenuator with Frequency DC to 3 GHz, Attenuation Range 0.5 to 31.5 dB, Attenuation Step 0.5 dB, Power 27 dBm (P0.1 dB), IIP3 34 to 46 dBm. Tags: Surface Mount, Digital. More details for HMC424AG16 can be seen below.