The UTF-015 from Teledyne RF & Microwave is a RF Variable Attenuator with Frequency 5 MHz to 1 GHz, Attenuation Range 15 to 20 dB, Power 0.1 W, P1dB 20 dBm, Insertion Loss 1.5 to 2.5 dB. Tags: Surface Mount, Module with Connectors, Voltage Controlled. More details for UTF-015 can be seen below.