The T2BZ1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.7 to 2.9 GHz, Average Power 70 W, Average Power Forward 70 W, Peak Power 700 W, Insertion Loss 0.2 dB. Tags: Drop-In, Drop-In Isolator. More details for T2BZ1 can be seen below.