The 6MB/C-140/U10-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 134.05 to 145.95 MHz, Bandwidth 11.9 MHz (1dB), Center Frequency 140 MHz, Insertion Loss 4.75 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/C-140/U10-18 can be seen below.