The WH1502A6 / 14-18GHz from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 14 to 18 GHz, Insertion Loss 0.7 dB, Isolation 16 dB, Operating Temperature -55 to 85 Degree C. Tags: Microstrip Circulator. More details for WH1502A6 / 14-18GHz can be seen below.