The 7MB/E-70/U20-C3L from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 58.75 to 81.25 MHz, Bandwidth 22.5 MHz (1dB), Center Frequency 70 MHz, Insertion Loss 1.5 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 7MB/E-70/U20-C3L can be seen below.