The LFCW-1142 from Mini Circuits is a Space Qualified RF Filter with Frequency DC to 11.4 GHz, Cut Off Frequency 11700 MHz, Stop Band Frequency 12700 to 16800 MHz, Power 6.3 W, Insertion Loss 2.6 dB. Tags: Surface Mount. More details for LFCW-1142 can be seen below.