The ECS-75SMF45A7.5B from ECS Inc. International is a Band Pass Filter with Frequency 44.996 to 45.003 MHz, Bandwidth 3.75 kHz, Center Frequency 45 MHz, Insertion Loss 4 dB, Rejection 80 dB. Tags: Surface Mount, Crystal Filter. More details for ECS-75SMF45A7.5B can be seen below.
