The SKYA21002 from Skyworks Solutions is a RF Switch with Frequency 0.1 to 3 GHz, Insertion Loss 0.50 to 0.75 dB, Isolation 22 to 25 dB, P1dB 29 dBm, P1dB 0.79 W. Tags: Surface Mount, Antenna Tuning Switch. More details for SKYA21002 can be seen below.