The TH102M6 / 791-821MHz from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 791 to 821 MHz, Insertion Loss 0.3 dB, Isolation 21 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-in Circulator. More details for TH102M6 / 791-821MHz can be seen below.