The 2157-130-50-50 from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 97.5 to 162.5 MHz, Bandwidth 65 MHz, Center Frequency 130 MHz, Insertion Loss 1.5 dB, Rejection 30 dB. Tags: DIP, Lumped Component Filter. More details for 2157-130-50-50 can be seen below.