The T2AK1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.1 to 2.2 GHz, Average Power 5 to 50 W, Average Power Forward 5 to 50 W, Insertion Loss 0.4 dB, Isolation 23 dB. Tags: Drop-In, Drop-In Isolator. More details for T2AK1 can be seen below.