The UTF-025 from Teledyne Microwave Solutions is a RF Variable Attenuator with Frequency 5 to 2500 MHz, Attenuation Range 17 to 33 dB, Power 0.2 W, IIP3 30 dBm, Insertion Loss 2 to 3.5 dB. Tags: Module with Connectors, Drop In, Voltage Controlled. More details for UTF-025 can be seen below.