The 2H7NDR-S is a drop-in isolator that operates from 6.6 to 6.73 GHz for space applications. It can handle up to 1 W of power, has an isolation of 20 dB and an insertion loss of 0.25 dB. The device is available in a compact 0.5 x 0.5 x 0.21 size and meets all of the NASA outgassing requirements. It is ideally suited to protect space communication payload electronics.