The 6MB/E-140/U13-C3L from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 133.1 to 146.9 MHz, Bandwidth 13.8 MHz (1dB), Center Frequency 140 MHz, Insertion Loss 3.6 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/E-140/U13-C3L can be seen below.