The SKY13405-490LF from Skyworks Solutions is a RF Switch with Frequency 0.1 to 3 GHz, Insertion Loss 0.30 to 5 dB, Isolation 25 to 37 dB, Power 40 dBm, Power 10 W. Tags: Surface Mount, Antenna Tuning Switch. More details for SKY13405-490LF can be seen below.