The 4MB/C-400/T45-S5 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 369.85 to 430.15 MHz, Bandwidth 60.3 MHz (3dB), Center Frequency 400 MHz, Insertion Loss 1.33 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/C-400/T45-S5 can be seen below.