The T1HP1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.435 to 1.54 GHz, Average Power 10 to 15 W, Average Power Forward 10 to 15 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for T1HP1 can be seen below.