The 4MB/C-1935/U370-14 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1720 to 2150 MHz, Bandwidth 430 MHz (1dB), Center Frequency 1935 MHz, Insertion Loss 0.9 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/C-1935/U370-14 can be seen below.