The WG4002A / 43.5-45.5GHz from Sainty-Tech Communications Limited is a RF & Microwave Isolator with Frequency 43.5 to 45.5 GHz, Average Power Reverse 0.5 W (Load), Insertion Loss 1.5 dB, Isolation 15 dB, Operating Temperature -55 to 85 Degree C. Tags: Microstrip Isolator. More details for WG4002A / 43.5-45.5GHz can be seen below.