The TH302C2 Series from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 3 to 7 GHz, Bandwidth 5%, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -40 to 70 Degree C. Tags: Drop-in Circulator. More details for TH302C2 Series can be seen below.