The 6MB/C-1350/U140-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1258.5 to 1441.5 MHz, Bandwidth 183 MHz (1dB), Center Frequency 1350 MHz, Insertion Loss 1.67 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/C-1350/U140-18 can be seen below.