The T12P1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 12.3 to 13.6 GHz, Average Power 0.1 W, Average Power Forward 0.1 W, Insertion Loss 0.6 dB, Isolation 17 dB. Tags: Microstrip, Microstrip Isolator. More details for T12P1 can be seen below.