The DTA-2G18G-60-CD-2-OPT-1G18G-2 from Quantic PMI (Planar Monolithics) is a RF Variable Attenuator with Frequency 1.0 to 18.0 GHz, Attenuation Range 60 dB, Attenuation Step 0.06 dB, Power 0.03 W, P1dB 15 dBm. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for DTA-2G18G-60-CD-2-OPT-1G18G-2 can be seen below.