The WH1502AS18 / 14-18GHz from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 14 to 18 GHz, Average Power Reverse 20 W(Load), Insertion Loss 0.8 to 1.5 dB, Isolation 15 to 30 dB, Operating Temperature -55 to 85 Degree C. Tags: Microstrip Circulator. More details for WH1502AS18 / 14-18GHz can be seen below.