The AM89.2CR137 from Anatech Electronics is a Band Pass Filter with Frequency 89.2 MHz, Bandwidth 0.15 KHz, Center Frequency 89.2 MHz, Insertion Loss 3.0 dB, Lower Rejection 20 dB at Fc +/-250 kHz. Tags: Surface Mount, Crystal Filter. More details for AM89.2CR137 can be seen below.