The 4MB/C-250/T25-14 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 236.5 to 263.5 MHz, Bandwidth 27 MHz (3dB), Center Frequency 250 MHz, Insertion Loss 2 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/C-250/T25-14 can be seen below.