The TWGKTS2-3-101-3-A4 from Techniwave is a RF Variable Attenuator with Frequency DC to 3 GHz, Attenuation Range 0 to 101 dB, Attenuation Step 0.1 dB, Power 2 W, Insertion Loss 1.6 dB. Tags: Module with Connectors, Rotary. More details for TWGKTS2-3-101-3-A4 can be seen below.