The BPF-B63 from Mini Circuits is a Band Pass Filter with Frequency 61 to 65 MHz, Bandwidth 4 MHz, Center Frequency 63 MHz, Insertion Loss 3.6 to 5 dB, Rejection 20 dB @ DC-56 MHz and 72-2800 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BPF-B63 can be seen below.