The DTA-2G18G-60-4W-2H-10B from Quantic PMI (Planar Monolithics) is a RF Variable Attenuator with Frequency 2.0 to 18.0 GHz, Attenuation Range 60 dB, Attenuation Step 0.06 dB, Power 4 W, P1dB 36.02 dBm. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for DTA-2G18G-60-4W-2H-10B can be seen below.