The TG102K4 Series from Sainty-Tech Communications Limited is a RF & Microwave Isolator with Frequency 1.5 to 2.2 GHz, Bandwidth 1% (Relative), Average Power Reverse 5 W (Load), Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Surface Mount Isolator. More details for TG102K4 Series can be seen below.