The 6MB/E-1200/U800-22A from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 675 to 1725 MHz, Bandwidth 1050 MHz (1dB), Center Frequency 1200 MHz, Insertion Loss 0.65 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/E-1200/U800-22A can be seen below.