The CX1R8 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 145 to 155 MHz, Average Power 1 kW, Average Power Forward 1 kW, Peak Power 3 kW, Insertion Loss 0.45 dB. Tags: Module with Connectors, Coaxial Isolator. More details for CX1R8 can be seen below.