The TG1201S Series from Sainty-Tech Communications Limited is a RF & Microwave Isolator with Frequency 7 to 20 GHz, Bandwidth 10% (Relative), Average Power Reverse 5 W (Load), Insertion Loss 0.8 dB, Isolation 40 dB. Tags: Coaxial Isolator. More details for TG1201S Series can be seen below.