The HFCN-8400 from Mini Circuits is a Space Qualified RF Filter with Frequency 9 to 13 GHz, Cut Off Frequency 8400 MHz, Stop Band Frequency 5700 to 6000 MHz, Power 7 W, Insertion Loss 2.5 to 3 dB. Tags: Surface Mount. More details for HFCN-8400 can be seen below.