The HD33219 from HD Communications Corp is a RF & Microwave Isolator with Frequency 0.7 to 1 GHz, Average Power Reverse 100 to 150 W, Insertion Loss 0.65 dB, Isolation 15 dB, Operating Temperature -30 to 70 Degree C. Tags: Drop-In Isolator. More details for HD33219 can be seen below.