The DEI9818-109.35MHz from Dynamic Engineers is a Band Pass Filter with Frequency 109.325 to 109.375 MHz, Bandwidth 50 kHz, Center Frequency 109.35 MHz, Insertion Loss 4 dB, Rejection 50 dB@±45 kHz of Center Frequency. Tags: Surface Mount, Through Hole, Crystal Filter. More details for DEI9818-109.35MHz can be seen below.