The DEI5752-124.8MHz from Dynamic Engineers is a Band Pass Filter with Frequency 124.7825 to 124.8175 MHz, Bandwidth 35 KHz, Center Frequency 124.8 MHz+/-2KHz, Insertion Loss 4 dB, Rejection 40 @ +/- 150 KHz to 60 dB @ +/- 350KHz. Tags: Through Hole, Crystal Filter. More details for DEI5752-124.8MHz can be seen below.