The 4MB/E-70/U20-14 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 59.35 to 80.65 MHz, Bandwidth 21.3 MHz (1dB), Center Frequency 70 MHz, Insertion Loss 1.2 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/E-70/U20-14 can be seen below.