The DEI9623-11.00MHz from Dynamic Engineers is a Band Pass Filter with Frequency 10.991 to 11.009 MHz, Bandwidth 18 kHz, Center Frequency 11 MHz, Insertion Loss 4.5 dB, Rejection 60 dB@±100 kHz of Center Frequency. Tags: Surface Mount, Through Hole, Crystal Filter. More details for DEI9623-11.00MHz can be seen below.