The HMC550A / 550AE from Analog Devices is a RF Switch with Frequency DC to 6 GHz, Insertion Loss 0.7 to 0.9 dB, Isolation 8 to 25 dB, P1dB 28 to 32 dBm, P1dB 0.63 to 1.584 W. Tags: Surface Mount, Solid State. More details for HMC550A / 550AE can be seen below.