The LFTC-5400 from Mini Circuits is a Space Qualified RF Filter with Frequency DC to 5.4 GHz, Cut Off Frequency 6410 MHz, Stop Band Frequency 9000 to 12000 MHz, Power 19 W, Insertion Loss 0.07 to 0.88 dB. Tags: Surface Mount. More details for LFTC-5400 can be seen below.