The TIHC1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.2 to 1.3 GHz, Average Power 20 to 400 W, Average Power Forward 20 to 400 W, Insertion Loss 0.35 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for TIHC1 can be seen below.