The SKY13489-001 from Skyworks Solutions is a RF Switch with Frequency 0.7 to 2.7 GHz, Insertion Loss 0.25 to 5 dB, Isolation 20 to 32 dB, Power 39 dBm, Power 7.9 W. Tags: Surface Mount, Antenna Tuning Switch. More details for SKY13489-001 can be seen below.