The MF4A806F30FCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 791 to 821 MHz, Bandwidth 30 MHz, Center Frequency 806 MHz, Insertion Loss 3 dB, Upper Rejection 25 to 40 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MF4A806F30FCA can be seen below.