The DV1721 from DiTom Microwave is a K-Band TVAC Compatible Isolator that operates from 17.30 to 21.20 GHz. It provides an isolation of more than 22 dB and has an insertion loss of less than 0.45 dB. The isolator can handle up to 15 W of average power and 30 W of peak power. This 50-ohm isolator is available in a module that measures 0.5 x 0.7 x 0.5 inches with SMA-Female connectors.