The TH102M1-4 Series from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 0.5 to 1 GHz, Bandwidth 5%, Insertion Loss 0.5 dB, Isolation 23 dB, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount Circulator. More details for TH102M1-4 Series can be seen below.