The CX1G2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 143 MHz, Average Power 2.5 kW, Average Power Forward 2.5 kW, Insertion Loss 0.3 dB, Isolation 23 dB. Tags: Module with Connectors, Coaxial Isolator. More details for CX1G2 can be seen below.