The DEI9778-11.50MHz from Dynamic Engineers is a Band Pass Filter with Frequency 11.482 to 11.518 MHz, Bandwidth 36 kHz, Center Frequency 11.5 MHz, Insertion Loss 3.2 dB, Rejection 60 dB@±45 kHz of Center Frequency. Tags: Surface Mount, Through Hole, Crystal Filter. More details for DEI9778-11.50MHz can be seen below.