The SKY13299-321LF from Skyworks Solutions is a RF Switch with Frequency 20 MHz to 5 GHz, Insertion Loss 0.3 to 0.75 dB, Isolation 22 to 30 dB, P1dB 39 dBm, P1dB 7.94 W. Tags: Surface Mount, Solid State. More details for SKY13299-321LF can be seen below.