The 6MB/C-56/T10-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 50.645 to 61.355 MHz, Bandwidth 10.71 MHz (3dB), Center Frequency 56 MHz, Insertion Loss 2.25 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/C-56/T10-18 can be seen below.