The TWGKTS30-10-50.1-0.03-D from Techniwave is a RF Variable Attenuator with Frequency DC to 0.03 GHz, Attenuation Range 50.1 dB, Attenuation Step 0.1 dB, Power 30 W, Insertion Loss 0.5 dB. Tags: Module with Connectors, Programmable. More details for TWGKTS30-10-50.1-0.03-D can be seen below.