The TH0101AS Series from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 0.14 to 0.25 GHz, Bandwidth 5%, Insertion Loss 1.2 dB, Isolation 36 dB, Operating Temperature 0 to 60 Degree C. Tags: Coaxial Circulator. More details for TH0101AS Series can be seen below.