The HMC424ALP3E from Analog Devices is a RF Variable Attenuator with Frequency 0.1 to 13 GHz, Attenuation Range 0.5 to 31.5 dB, Attenuation Step 0.5 dB, Attenuation Accuracy ±0.5 dB, Power 22 to 23 dBm(P0.1dB). Tags: Surface Mount, Digital. More details for HMC424ALP3E can be seen below.