The WH502AS7 / 5.2-5.7GHz from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 5.2 to 5.7 GHz, Average Power Reverse 10 W(Load), Insertion Loss 0.4 to 0.7 dB, Isolation 20 to 39 dB, Operating Temperature -55 to 85 Degree C. Tags: Microstrip Circulator. More details for WH502AS7 / 5.2-5.7GHz can be seen below.