The HMC941A from Analog Devices is a RF Variable Attenuator with Frequency 0.1 to 30 GHz, Attenuation Range 0.5 to 15.5 dB, Attenuation Step 0.5 dB, Power 22 to 26 dBm (P0.1 dB), IIP3 43 to 45 dBm. Tags: Die, Digital. More details for HMC941A can be seen below.