The DVAT-0518-60-8-SK-193 from American Microwave Corporation is a RF Variable Attenuator with Frequency 500 to 18000 MHz, Attenuation Range 10 to 60 dB, Insertion Loss 4 dB, Switching Time 5 micro sec. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for DVAT-0518-60-8-SK-193 can be seen below.