The SXBP-404 from Mini Circuits is a Band Pass Filter with Frequency 398 to 410 MHz, Bandwidth 12 MHz, Center Frequency 404 MHz, Insertion Loss 4.1 to 5.5 dB, Rejection 20 dB @ DC-370 and 445-4500 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for SXBP-404 can be seen below.