The SHX-TH201F from Shanghai Huaxiang Computer Communication Engineering is a RF & Microwave Isolator with Frequency 2 to 3.5 GHz, Bandwidth 200 MHz / 400 MHz, Average Power Forward 20 W, Insertion Loss 0.3 to 0.4 dB, Isolation 20 to 23 dB. Tags: Module with Connector, Coaxial Isolator. More details for SHX-TH201F can be seen below.