The TH0102A Series from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 0.14 to 0.24 GHz, Bandwidth 5%, Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature 0 to 60 Degree C. Tags: Drop-in Circulator. More details for TH0102A Series can be seen below.