The MC6A2840F135HCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 2772.5 to 2907.5 MHz, Bandwidth 135 MHz, Center Frequency 2840 MHz, Insertion Loss 2 dB, Upper Rejection 30 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MC6A2840F135HCA can be seen below.