The AV-1020 from RLC Electronics is a RF Variable Attenuator with Frequency 1.0 to 2.0 GHz, Attenuation Range 10 dB, Power 5 W, P1dB 37 dBm, Insertion Loss 0.4 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for AV-1020 can be seen below.