The HMC424ALH5 from Analog Devices is a RF Variable Attenuator with Frequency DC to 13 GHz, Attenuation Range 0.5 to 31.5 dB, Attenuation Step 0.5 dB, Power 27 dBm (P0.1 dB), IIP3 34 to 40 dBm. Tags: Surface Mount, Digital. More details for HMC424ALH5 can be seen below.