The TG801F8 / 12-18GHz from Sainty-Tech Communications Limited is a RF & Microwave Isolator with Frequency 12 to 18 GHz, Average Power Reverse 5 W (Load), Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature -40 to 70 Degree C. Tags: Coaxial Isolator. More details for TG801F8 / 12-18GHz can be seen below.