The SKYA21024 from Skyworks Solutions is a RF Switch with Frequency 0.01 to 6 GHz, Insertion Loss 0.40 to 0.85 dB, Isolation 15 to 27 dB, Power 33 dBm, Power 1.99 W. Tags: Surface Mount, Antenna Tuning Switch. More details for SKYA21024 can be seen below.