The 03.02.394 from Hytem is a RF Variable Attenuator with Frequency 700 MHz to 2.7 GHz, Attenuation Range 62.5 dB, Attenuation Step 0.5 dB, Power 0.25 W, Insertion Loss 6 dB. Tags: Module with Connectors, Digital. More details for 03.02.394 can be seen below.