The 6MB/C-235/U10-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 229.2 to 240.8 MHz, Bandwidth 11.6 MHz (1dB), Center Frequency 235 MHz, Insertion Loss 5 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/C-235/U10-18 can be seen below.