The PE7035-4 from Pasternack Enterprises Inc is a RF Variable Attenuator with Frequency DC to 1 GHz, Attenuation Range 0 to 10 dB, Attenuation Step 1 dB, Attenuation Accuracy ± 0.04 dB, Power 1 W. Tags: Module with Connectors, Rotary. More details for PE7035-4 can be seen below.