The PT110(0.1_3.1)-0S_3.3V from R & K Company Limited is a RF Variable Attenuator with Frequency DC to 2.5 GHz, Attenuation Range 0 to 3.1 dB, Attenuation Accuracy 0.2 to 0.4 dB, Power 0.25 W, IIP3 75 dBm. Tags: Module with Connectors, Digital. More details for PT110(0.1_3.1)-0S_3.3V can be seen below.