The 5MB/C-120/U30-S1G from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 103.1 to 136.9 MHz, Bandwidth 33.8 MHz (1dB), Center Frequency 120 MHz, Insertion Loss 1.4 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/C-120/U30-S1G can be seen below.