The WH502AS5 / 5.1-5.7GHz from Sainty-Tech Communications Limited is a RF & Microwave Circulator with Frequency 5.1 to 5.7 GHz, Average Power Reverse 10 W(Load), Insertion Loss 0.5 to 1 dB, Isolation 20 to 38 dB, Operating Temperature -55 to 85 Degree C. Tags: Microstrip Circulator. More details for WH502AS5 / 5.1-5.7GHz can be seen below.