The ADRF5720 from Analog Devices is a RF Variable Attenuator with Frequency 9 KHz to 40 GHz, Attenuation Range 0.5 to 31.5 dB, Attenuation Step 0.5 dB, Power 15 dBm, IIP3 50 dBm. Tags: Surface Mount, Digital. More details for ADRF5720 can be seen below.