The 4MB/C-240/T20-S5A from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 227.7 to 252.3 MHz, Bandwidth 24.6 MHz (3dB), Center Frequency 240 MHz, Insertion Loss 2.45 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/C-240/T20-S5A can be seen below.