The 2157-70-5-50 from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 68.25 to 71.75 MHz, Bandwidth 3.5 MHz, Center Frequency 70 MHz, Insertion Loss 3 dB, Rejection 40 dB. Tags: DIP, Lumped Component Filter. More details for 2157-70-5-50 can be seen below.