The SKY12242-492LF from Skyworks Solutions is a RF Switch with Frequency 1.8 to 3 GHz, Insertion Loss 0.3 to 0.7 dB, Isolation 12 to 47 dB, P1dB 38 dBm(Rx), Power 50 dBm. Tags: Surface Mount, Solid State. More details for SKY12242-492LF can be seen below.