The HFCN-5500D from Mini Circuits is a Space Qualified RF Filter with Frequency 6 to 11.5 GHz, Cut Off Frequency 5500 MHz, Stop Band Frequency 4000 to 4500 MHz, Power 7 W, Insertion Loss 1.5 to 2 dB. Tags: Surface Mount. More details for HFCN-5500D can be seen below.