The 03.02.519 from Hytem is a RF Variable Attenuator with Frequency 380 MHz to 3 GHz, Attenuation Range 93 dB, Attenuation Step 0.5 dB, Power 0.25 W, Insertion Loss 9 dB. Tags: Module with Connectors, Digital. More details for 03.02.519 can be seen below.