The UTF-025 from Teledyne RF & Microwave is a RF Variable Attenuator with Frequency 5 MHz to 2.5 GHz, Attenuation Range 15 to 33 dB, Power 0.1 W, P1dB 20 dBm, Insertion Loss 2.0 to 4.0 dB. Tags: Surface Mount, Module with Connectors, Voltage Controlled. More details for UTF-025 can be seen below.