The HMC273MS10G from Analog Devices is a RF Variable Attenuator with Frequency 700 MHz to 3.7 GHz, Attenuation Range 1 to 31 dB, Attenuation Step 31 dB, Power 1 W, P1dB 22 to 27 dBm. Tags: IC, Programmable, Digital. More details for HMC273MS10G can be seen below.