The TG0301S-100 Series from Sainty-Tech Communications Limited is a RF & Microwave Isolator with Frequency 0.25 to 0.5 GHz, Bandwidth 10% (Relative), Average Power Reverse 10 W (Load), Insertion Loss 0.8 dB, Isolation 40 dB. Tags: Coaxial Isolator. More details for TG0301S-100 Series can be seen below.