The PE70A3900 from Pasternack Enterprises Inc is a RF Variable Attenuator with Frequency 100 MHz to 18 GHz, Attenuation Range 0 to 30 dB, Attenuation Step 1 dB, Attenuation Accuracy 2.5 dB, Power 0.1 W. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for PE70A3900 can be seen below.