The AV083E-20-ITI from Impulse Technologies is a RF Variable Attenuator with Frequency 1 to 4 GHz, Attenuation Range 20 dB, Power 5 W, Peak Power 3 kW, Insertion Loss 0.5 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for AV083E-20-ITI can be seen below.