The 2-3854-10 from ARRA Inc. is a RF Variable Attenuator with Frequency 750 MHz to 1.5 GHz, Attenuation Range 10 dB, Power 5 W, Peak Power 64.77 dBm, Insertion Loss 0.5 dB. Tags: Module with Connectors, Continuously Variable. More details for 2-3854-10 can be seen below.