The TG1201K / 6-18GHz from Sainty-Tech Communications Limited is a RF & Microwave Isolator with Frequency 6 to 18 GHz, Average Power Reverse 5 W (Load), Insertion Loss 1.5 dB, Isolation 11 dB, Operating Temperature -40 to 70 Degree C. Tags: Coaxial Isolator. More details for TG1201K / 6-18GHz can be seen below.