The HMC641ALP4E from Analog Devices is a RF Switch with Frequency 0.1 to 20 GHz, Insertion Loss 2.0 to 42 dB, Isolation 30 to 42 dB, P1dB 20 to 24 dBm, P1dB 0.1 to 0.251 W. Tags: Surface Mount, Solid State. More details for HMC641ALP4E can be seen below.