The 6MB/E-70/U30-S9 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 53.15 to 86.85 MHz, Bandwidth 33.7 MHz (1dB), Center Frequency 70 MHz, Insertion Loss 0.92 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/E-70/U30-S9 can be seen below.