The SKY12146-321LF from Skyworks Solutions is a RF Variable Attenuator with Frequency 3 to 3.8 GHz, Attenuation Range 18 to 20.5 dB, Power 0.01 W, P1dB 13 dBm, IIP3 20 dBm. Tags: IC, Voltage Controlled. More details for SKY12146-321LF can be seen below.