The TH102M3-100 Series from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 1.2 to 3.8 GHz, Bandwidth 5%, Insertion Loss 0.4 dB, Isolation 23 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-in Circulator. More details for TH102M3-100 Series can be seen below.