The 5MB/E-56/T3-P2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 54.36 to 57.64 MHz, Bandwidth 3.28 MHz (3dB), Center Frequency 56 MHz, Insertion Loss 4.9 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/E-56/T3-P2 can be seen below.