The 4MB/C-70/H20-S9 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 57.6 to 82.4 MHz, Bandwidth 24.8 MHz (0.5dB), Center Frequency 70 MHz, Insertion Loss 0.8 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/C-70/H20-S9 can be seen below.