The HDF480-3 from Shoulder Electronics is a Band Pass Filter with Frequency 479 to 481 MHz, Bandwidth 2 to 42.2 MHz, Center Frequency 480 MHz, Insertion Loss 19.2 dB, Ripple 0.3 to 0.5 dB. Tags: Through Hole, RF SAW Filter. More details for HDF480-3 can be seen below.