The HDF480-1 from Shoulder Electronics is a Band Pass Filter with Frequency 479 to 481 MHz, Bandwidth 2 to 17.2 MHz, Center Frequency 480 MHz, Insertion Loss 18.7 dB, Ripple 0.3 to 0.6 dB. Tags: Surface Mount, RF SAW Filter. More details for HDF480-1 can be seen below.