The ECS-10.7-12B from ECS Inc. International is a Band Pass Filter with Frequency 10.694 to 10.706 MHz, Bandwidth 6 kHz, Center Frequency 10.7 MHz, Insertion Loss 2.5 dB, Rejection 65 to 80 dB. Tags: Through Hole, Crystal Filter. More details for ECS-10.7-12B can be seen below.