The 2395-21.4M-6M-50 from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 18.4 to 24.4 MHz, Bandwidth 6 MHz, Center Frequency 21.4 MHz, Insertion Loss 1 dB, Rejection 60 dB. Tags: Surface Mount, Lumped Component Filter. More details for 2395-21.4M-6M-50 can be seen below.