The UTF-035 from Teledyne Microwave Solutions is a RF Variable Attenuator with Frequency 50 to 2000 MHz, Attenuation Range 2 to 25.5 dB, Power 0.2 W, IIP3 45 dBm, Switching Time 5 uSec. Tags: Module with Connectors, Drop In, Voltage Controlled. More details for UTF-035 can be seen below.