The HDF752.5E from Shoulder Electronics is a Band Pass Filter with Frequency 740 to 765 MHz, Bandwidth 25 to 35.1 MHz, Center Frequency 752.5 MHz, Insertion Loss 2.3 dB, Ripple 0.5 to 1.0 dB. Tags: Surface Mount, RF SAW Filter. More details for HDF752.5E can be seen below.