The TG1201A / 8-18GHz from Sainty-Tech Communications Limited is a RF & Microwave Isolator with Frequency 8 to 18 GHz, Average Power Reverse 5 W (Load), Insertion Loss 0.8 dB, Isolation 17 dB, Operating Temperature -40 to 70 Degree C. Tags: Coaxial Isolator. More details for TG1201A / 8-18GHz can be seen below.