The SHX-TG201J from Shanghai Huaxiang Computer Communication Engineering is a RF & Microwave Isolator with Frequency 1 to 2 GHz, Bandwidth 1000 MHz, Average Power Forward 60 W, Average Power Reverse 20 W (Load Power), Insertion Loss 0.7 dB. Tags: Module with Connector, Coaxial Isolator. More details for SHX-TG201J can be seen below.