The HMC973ALP3E from Analog Devices is a RF Variable Attenuator with Frequency 0.5 to 5 GHz, Attenuation Range 26 to 31 dB, Power 25 dBm (Input P1dB), P1dB 25 dBm, IIP3 30 dBm. Tags: Surface Mount, Voltage Controlled. More details for HMC973ALP3E can be seen below.