The 5MB/C-3400/U600-S5 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 3030 to 3770 MHz, Bandwidth 740 MHz (1dB), Center Frequency 3400 MHz, Insertion Loss 0.8 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/C-3400/U600-S5 can be seen below.