The BFCN-4800+ from Mini Circuits is a Band Pass Filter with Frequency 4.4 to 5.2 GHz, Bandwidth 800 MHz, Center Frequency 4.8 GHz, Insertion Loss 2 dB, Power 1.5 W. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for BFCN-4800+ can be seen below.