The 6MB/C-720/U40-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 696.8 to 743.2 MHz, Bandwidth 46.4 MHz (1dB), Center Frequency 720 MHz, Insertion Loss 2.5 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/C-720/U40-18 can be seen below.