The 2157-10.7-5-50 from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 10.43 to 10.96 MHz, Bandwidth 535 KHz, Center Frequency 10.7 MHz, Insertion Loss 3 dB, Rejection 40 dB. Tags: DIP, Lumped Component Filter. More details for 2157-10.7-5-50 can be seen below.