The DBIS1904000800C from Qotana is a RF & Microwave Isolator with Frequency 4 to 8 GHz, Average Power Forward 30 W, Average Power Reverse 10 W, Peak Power Forward 0.12 kW, Insertion Loss 0.4 to 0.5 dB. Tags: Module with Connector, Coaxial Isolator. More details for DBIS1904000800C can be seen below.