The 2A7NFD-S from Renaissance Electronics Corporation is a Space Qualified Isolator with Frequency 7.8 to 8.4 GHz, Average Power Forward 2 W, Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature -40 to 85 Degree C. Tags: Coaxial Isolator. More details for 2A7NFD-S can be seen below.