The TVA from Smiths Interconnect is a RF Variable Attenuator with Frequency DC to 6 GHz, Attenuation Range 1 to 10 dB, Attenuation Step 1 dB, Attenuation Accuracy 0.5 dB, Power 0.25 to 2 W. Tags: Surface Mount, Temperature Variable. More details for TVA can be seen below.