The ECS-10.7-30A from ECS Inc. International is a Band Pass Filter with Frequency 10.685 to 10.715 MHz, Bandwidth 15 kHz, Center Frequency 10.7 MHz, Insertion Loss 1.5 dB, Rejection 30 to 40 dB. Tags: Through Hole, Crystal Filter. More details for ECS-10.7-30A can be seen below.