The TH0301-500 / 0.32-0.36GHz from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 0.32 to 0.36 GHz, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -30 to 70 Degree C. Tags: Coaxial Circulator. More details for TH0301-500 / 0.32-0.36GHz can be seen below.