The 4MB/C-130/H10-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 123.9 to 136.1 MHz, Bandwidth 12.2 MHz (0.5dB), Center Frequency 130 MHz, Insertion Loss 2.18 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/C-130/H10-18 can be seen below.