The SKY12338-337LF from Skyworks Solutions is a RF Variable Attenuator with Frequency 350 to 4000 MHz, Attenuation Range 18 dB, Power 0.50 W, P1dB 27 to 30 dBm, IIP3 44 to 45 dBm. Tags: Surface Mount, Digital. More details for SKY12338-337LF can be seen below.