The HMC199AMS8 / 199AMS8E from Analog Devices is a RF Switch with Frequency DC to 2.5 GHz, Insertion Loss 0.3 to 1.0 dB, Isolation 17 to 25 dB, P1dB 25 to 28 dBm, P1dB 0.316 to 0.63 W. Tags: Surface Mount, Solid State. More details for HMC199AMS8 / 199AMS8E can be seen below.