The TH801S1 Series from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 7 to 20 GHz, Bandwidth 10%, Insertion Loss 0.8 dB, Isolation 40 dB, Operating Temperature -40 to 70 Degree C. Tags: Coaxial Circulator. More details for TH801S1 Series can be seen below.