The BFCG-5600 from Mini Circuits is a Space Qualified RF Filter with Frequency 5.15 to 5.99 GHz, Center Frequency 5600 MHz, Stop Band Frequency DC to 15750 MHz, Power 0.5 W, Insertion Loss 1.2 to 2.2 dB. Tags: Surface Mount. More details for BFCG-5600 can be seen below.