The 2474-C from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 21.4 to 28.6 MHz, Bandwidth 7.2 MHz, Center Frequency 25 MHz, Insertion Loss 3 dB, Rejection 60 dB. Tags: Module with Connectors, Lumped Component Filter. More details for 2474-C can be seen below.