The TG201FS Series from Sainty-Tech Communications Limited is a RF & Microwave Isolator with Frequency 2 to 4 GHz, Bandwidth 10% (Relative), Average Power Reverse 10 W (Load), Insertion Loss 0.8 dB, Isolation 46 dB. Tags: Coaxial Isolator. More details for TG201FS Series can be seen below.