The 4MB/C-36/T2.5-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 34.55 to 37.45 MHz, Bandwidth 2.9 MHz (3dB), Center Frequency 36 MHz, Insertion Loss 3 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/C-36/T2.5-18 can be seen below.