The T1DW1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.65 to 2.25 GHz, Average Power 5 W, Average Power Forward 5 W, Insertion Loss 1.2 dB, Isolation 40 dB. Tags: Drop-In, Drop-In Isolator. More details for T1DW1 can be seen below.