The TWGKTS xx-4-10-3-D from Techniwave is a RF Variable Attenuator with Frequency 2 to 3 GHz, Attenuation Range 0 to 10 dB, Attenuation Step 1 dB, Power 2 to 10 W, Insertion Loss 2.5 dB. Tags: Module with Connectors, Programmable. More details for TWGKTS xx-4-10-3-D can be seen below.