The TH102M3-100 / 1805-1880MHz from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 1805 to 1880 MHz, Insertion Loss 0.3 dB, Isolation 21 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-in Circulator. More details for TH102M3-100 / 1805-1880MHz can be seen below.