The 7MB/C-1348/U170-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1347.175 to 1348.825 MHz, Bandwidth 1.65 MHz, Center Frequency 1348 MHz, Insertion Loss 174.4 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 7MB/C-1348/U170-18 can be seen below.