The HFCN-1200D from Mini Circuits is a Space Qualified RF Filter with Frequency 1.22 to 4.6 GHz, Cut Off Frequency 1180 MHz, Stop Band Frequency 750 to 910 MHz, Power 7 W, Insertion Loss 1.3 to 2 dB. Tags: Surface Mount. More details for HFCN-1200D can be seen below.