The HMC547ALP3E from Analog Devices is a RF Switch with Frequency DC to 20 GHz, Insertion Loss 1.7 to 3.0 dB, Isolation 31 to 48 dB, P1dB 24 to 29 dBm, P1dB 0.251 to 0.794 W. Tags: Surface Mount, Solid State. More details for HMC547ALP3E can be seen below.