The WG902A2 / 11.9-12.2GHz from Sainty-Tech Communications Limited is a RF & Microwave Isolator with Frequency 11.9 to 12.2 GHz, Average Power Reverse 0.5 W (Load), Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature -55 to 85 Degree C. Tags: Microstrip Isolator. More details for WG902A2 / 11.9-12.2GHz can be seen below.