The TWGKTSxx-8-10-1-B from Techniwave is a RF Variable Attenuator with Frequency DC to 1 GHz, Attenuation Range 0 to 10 dB, Attenuation Step 0.1 dB, Power 2 to 10 W, Insertion Loss 1.5 dB. Tags: Module with Connectors, Pushbutton. More details for TWGKTSxx-8-10-1-B can be seen below.