The PE7058-1 from Pasternack Enterprises Inc is a RF Variable Attenuator with Frequency DC to 1 GHz, Attenuation Range 0 to 81 dB, Attenuation Step 0.1 dB, Attenuation Accuracy ± 0.05 to 1 dB, Power 1 W. Tags: Module with Connectors, Rotary. More details for PE7058-1 can be seen below.