The FN-1781RW from Filtronetics is a Band Pass Filter with Frequency 79.998 to 80.002 MHz, Bandwidth 0.004 MHz, Center Frequency 80 MHz, Insertion Loss 6 dB, Rejection 50 dB. Tags: Drop-In, Module with Connectors, Crystal Filter. More details for FN-1781RW can be seen below.
