The TH0701 Series from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 0.5 to 1 GHz, Bandwidth 10%, Insertion Loss 0.4 dB, Isolation 23 dB, Operating Temperature -30 to 70 Degree C. Tags: Coaxial Circulator. More details for TH0701 Series can be seen below.