The AM9.5CR191 from Anatech Electronics is a Band Pass Filter with Frequency 9.5 kHz, Bandwidth 200 Hz, Center Frequency 9.5 kHz, Insertion Loss 6.5 dB, Lower Rejection 20 dB at Fc +/-7.5 kHz. Tags: Surface Mount, Crystal Filter. More details for AM9.5CR191 can be seen below.