The DEI9833-30.00MHz from Dynamic Engineers is a Band Pass Filter with Frequency 29.991 to 30.009 MHz, Bandwidth 18 kHz, Center Frequency 30 MHz, Insertion Loss 3.5 dB, Rejection 20 dB@±70 kHz of Center Frequency. Tags: Surface Mount, Through Hole, Crystal Filter. More details for DEI9833-30.00MHz can be seen below.