The 5MB/E-312.5/U175-S10WB from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 217.2 to 407.8 MHz, Bandwidth 190.6 MHz (1dB), Center Frequency 312.5 MHz, Insertion Loss 0.67 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/E-312.5/U175-S10WB can be seen below.