The WH1602AS / 16.4-17.2GHz from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 16.4 to 17.2 GHz, Average Power Reverse 10 W(Load), Insertion Loss 0.5 to 0.9 dB, Isolation 23 dB, Operating Temperature -55 to 85 Degree C. Tags: Microstrip Circulator. More details for WH1602AS / 16.4-17.2GHz can be seen below.