The MDA020180-50E from Fujian MIcable is a RF Variable Attenuator with Frequency 2 to 18 GHz, Attenuation Range 50 dB, Attenuation Step 0.1 dB, Attenuation Accuracy ±0.1 to 0.2 dB, Power 17 dBm (0.05 W). Tags: Module with Connectors, Programmable. More details for MDA020180-50E can be seen below.