The LSJ-0.5/2-30-6 from Leader-MW is a RF Variable Attenuator with Frequency 500 MHz to 2 GHz, Attenuation Range 0 to 30 dB, Attenuation Accuracy 1 dB, Insertion Loss 2.0 dB, Switching Time 150 nS. Tags: Module with Connectors, Rotary, Digital. More details for LSJ-0.5/2-30-6 can be seen below.