The HFCN-2100D from Mini Circuits is a Space Qualified RF Filter with Frequency 2.2 to 6 GHz, Cut Off Frequency 2100 MHz, Stop Band Frequency 1050 to 1530 MHz, Power 7 W, Insertion Loss 1.3 to 2 dB. Tags: Surface Mount. More details for HFCN-2100D can be seen below.