The SHX-TG601K from Shanghai Huaxiang Computer Communication Engineering is a RF & Microwave Isolator with Frequency 4 to 8 GHz, Bandwidth 4000 MHz, Average Power Forward 30 W, Average Power Reverse 10 W (Load Power), Insertion Loss 0.6 dB. Tags: Module with Connector, Coaxial Isolator. More details for SHX-TG601K can be seen below.