The ECS-96SMF45A15 from ECS Inc. International is a Band Pass Filter with Frequency 44.992 to 45.007 MHz, Bandwidth 7.5 kHz, Center Frequency 45 MHz, Insertion Loss 2 dB, Rejection 70 dB. Tags: Surface Mount, Crystal Filter. More details for ECS-96SMF45A15 can be seen below.