The SKY12328-350LF from Skyworks Solutions is a RF Variable Attenuator with Frequency 0.5 to 4.0 GHz, Attenuation Range 15.5 dB, Power 1 W, Insertion Loss 1.1-2.3 dB. Tags: IC, Digital, Programmable. More details for SKY12328-350LF can be seen below.