The 4MB/C-140/T10-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 134.65 to 145.35 MHz, Bandwidth 10.7 MHz (3dB), Center Frequency 140 MHz, Insertion Loss 4.3 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/C-140/T10-18 can be seen below.