The 5MB/C-1790/T330-S2A from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1789.55 to 1790.45 MHz, Bandwidth 0.9 MHz, Center Frequency 1790 MHz, Insertion Loss 355 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/C-1790/T330-S2A can be seen below.