The 6MB/C-400/U85-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 351.95 to 448.05 MHz, Bandwidth 96.1 MHz (1dB), Center Frequency 400 MHz, Insertion Loss 1.2 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/C-400/U85-18 can be seen below.