The TH0102M Series from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 0.2 to 0.4 GHz, Bandwidth 10%, Insertion Loss 0.5 dB, Isolation 18 dB, Operating Temperature 0 to 60 Degree C. Tags: Drop-in Circulator. More details for TH0102M Series can be seen below.