The TWGKTS2-1-10-18-A5 from Techniwave is a RF Variable Attenuator with Frequency DC to 18 GHz, Attenuation Range 0 to 10 dB, Attenuation Step 1 dB, Power 2 W, Insertion Loss 1.5 dB. Tags: Module with Connectors, Rotary. More details for TWGKTS2-1-10-18-A5 can be seen below.