The DEI5773-1.4MHz from Dynamic Engineers is a Band Pass Filter with Frequency 1.39975 to 1.40025 MHz, Bandwidth 500 Hz, Center Frequency 1.4 MHz, Insertion Loss 5 dB, Rejection 60 dB @+/- 1500 Hz max. Tags: Through Hole, Crystal Filter. More details for DEI5773-1.4MHz can be seen below.