The T1AZ22 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.83 to 1.88 GHz, Average Power 10 W, Average Power Forward 10 W, Insertion Loss 0.3 dB, Isolation 25 dB. Tags: Drop-In, Drop-In Isolator. More details for T1AZ22 can be seen below.