The 6MB/E-741/U118-S9 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 669.25 to 812.75 MHz, Bandwidth 143.5 MHz (1dB), Center Frequency 741 MHz, Insertion Loss 1.05 dB, Upper Rejection 35 dB. Tags: Lumped Component Filter. More details for 6MB/E-741/U118-S9 can be seen below.