The T1HA1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.71 to 1.785 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.6 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for T1HA1 can be seen below.