The HFCN-1320D from Mini Circuits is a Space Qualified RF Filter with Frequency 1.4 to 5 GHz, Cut Off Frequency 1320 MHz, Stop Band Frequency 880 to 1060 MHz, Power 7 W, Insertion Loss 1.3 to 2 dB. Tags: Surface Mount. More details for HFCN-1320D can be seen below.