The SHX-TH601K from Shanghai Huaxiang Computer Communication Engineering is a RF & Microwave Isolator with Frequency 4 to 8 GHz, Bandwidth 4000 MHz, Average Power Forward 20 W, Insertion Loss 0.6 dB, Isolation 18 dB. Tags: Module with Connector, Coaxial Isolator. More details for SHX-TH601K can be seen below.