The HDF922.5A from Shoulder Electronics is a Band Pass Filter with Frequency 919.5 to 925.5 MHz, Bandwidth 6 to 15.2 MHz, Center Frequency 922.5 MHz, Insertion Loss 2.5 dB, Ripple 0.6 to 2.0 dB. Tags: Surface Mount, RF SAW Filter. More details for HDF922.5A can be seen below.