The GL-T-4374-23-10 from A-Info is a RF & Microwave Isolator with Frequency 4.3 to 7.4 GHz, Bandwidth 300 MHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.3 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-4374-23-10 can be seen below.