The AM156.8CR165 from Anatech Electronics is a Band Pass Filter with Frequency 156.75 to 156.85 MHz, Bandwidth 0.1 KHz, Center Frequency 156.8 MHz, Insertion Loss 6 dB, Upper Rejection -45 dB at Fc +/-I30 kHz. Tags: Surface Mount, Crystal Filter. More details for AM156.8CR165 can be seen below.