The DEI5354-56.96MHz from Dynamic Engineers is a Band Pass Filter with Frequency 56.944 to 56.976 MHz, Bandwidth 32 kHz, Center Frequency 56.96 MHz, Insertion Loss 4 dB, Rejection 30 dB@±85 kHz of Center Frequency. Tags: Surface Mount, Through Hole, Crystal Filter. More details for DEI5354-56.96MHz can be seen below.