Since this downlink filter is in a bandpass configuration, it not only provides isolation from the uplink band (14-14.5 GHz) but also suppresses potential interference from frequencies located below the receive band. Specifications: Passband:................ 11.7 - 12.2 GHz Insertion Loss:.......... 0.5 dB Max VSWR:...................... 1.25:1 Max Reject Bands:........... 14.0 - 14.5 GHz .................................. 10.55 - 10.68 GHz Rejection:.................. 55 dB Typ 14.0-14.5 GHZ .................................. 60 dB Typ 10.55-10.68 GHz Power:....................... 1 Watt Flanges:.................... WR75 Cover Additional Product Information