The SKY13594-666LF from Skyworks Solutions is a RF Switch with Frequency 2.3 to 2.7 GHz, Insertion Loss 0.3 to 0.45 dB, Isolation 30 dB, IIP3 55 dBm, IIP3 (W) 316.2 W. Tags: Surface Mount, Antenna Tuning Switch. More details for SKY13594-666LF can be seen below.