The SKY13318-321LF from Skyworks Solutions is a RF Switch with Frequency 100 MHz to 6 GHz, Insertion Loss 0.95 to 1.15 dB, Isolation 15 to 22 dB, P1dB 34 dBm, P1dB 2.51 W. Tags: Surface Mount, Solid State. More details for SKY13318-321LF can be seen below.