The DT020-0S from R & K Company Limited is a RF Variable Attenuator with Frequency 0.01 MHz to 4 GHz, Attenuation Range 0 to 45 dB, Attenuation Accuracy 1 to 2.5 dB, Power 0.2 W, P1dB 21 dBm. Tags: Module with Connectors, Digital. More details for DT020-0S can be seen below.