The T1BV1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.85 to 1.95 GHz, Average Power 5 W, Average Power Forward 5 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Drop-In, Drop-In Isolator. More details for T1BV1 can be seen below.