The 2474-D from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 23.2 to 26.8 MHz, Bandwidth 3.6 MHz, Center Frequency 25 MHz, Insertion Loss 3 dB, Rejection 60 dB. Tags: Module with Connectors, Lumped Component Filter. More details for 2474-D can be seen below.