The C1DQ2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.03 to 1.09 GHz, Average Power 30 W, Average Power Forward 30 W, Peak Power 2 kW, Insertion Loss 0.8 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C1DQ2 can be seen below.