The SKY13477-001A from Skyworks Solutions is a RF Switch with Frequency 2.3 to 2.7 GHz, Insertion Loss 0.35 to 0.74 dB, Isolation 15 to 30 dB, Power 30 dBm, Power 1 W. Tags: Surface Mount, Antenna Tuning Switch. More details for SKY13477-001A can be seen below.