The 6MB/C-400/U150-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 317.6 to 482.4 MHz, Bandwidth 164.8 MHz (1dB), Center Frequency 400 MHz, Insertion Loss 0.78 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/C-400/U150-18 can be seen below.