This uplink filter not only provides isolation to the downlink band, but it also suppresses close-in LO operation (13.05 GHz). Specifications: Passband:................ 13.75-14.50 GHz Insertion Loss:.......... 0.2 dB Max VSWR:...................... 1.2:1 Max Reject Band:............. 10.70 - 12.75 GHz Rejection:.................. 30 dB Min .................................. 20 dB Min @ 13.05 GHz Flanges:.................... WR75 Cover (Input) .................................. WR75 Grooved (Output) Finish:........................ Chem Film Per MIL-C-5541C .................................. Class1A Additional Product Information