The SHX-TH201B1 from Shanghai Huaxiang Computer Communication Engineering is a RF & Microwave Isolator with Frequency 1.5 to 2.5 GHz, Bandwidth 70 MHz, Average Power Forward 30 W, Insertion Loss 0.3 dB, Isolation 23 dB. Tags: Module with Connector, Coaxial Isolator. More details for SHX-TH201B1 can be seen below.