The SHX-TH701A from Shanghai Huaxiang Computer Communication Engineering is a RF & Microwave Isolator with Frequency 6.5 to 18 GHz, Bandwidth 300 to 6000 MHz, Average Power Forward 10 to 30 W, Insertion Loss 0.3 to 0.6 dB, Isolation 17 to 23 dB. Tags: Module with Connector, Coaxial Isolator. More details for SHX-TH701A can be seen below.