The SHX-TG201B1 from Shanghai Huaxiang Computer Communication Engineering is a RF & Microwave Isolator with Frequency 1.4 to 2.4 GHz, Bandwidth 70 MHz, Average Power Forward 100 W, Average Power Reverse 10 W (Load Power), Insertion Loss 0.3 dB. Tags: Module with Connector, Coaxial Isolator. More details for SHX-TG201B1 can be seen below.