The 3019 from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 11.3 to 11.7 MHz, Bandwidth 400 KHz, Center Frequency 11.5 MHz, Insertion Loss 3 dB, Rejection 60 dB. Tags: Module with Connectors, Lumped Component Filter. More details for 3019 can be seen below.
