The MC4A2970F4FCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 2968 to 2972 MHz, Bandwidth 4 MHz, Center Frequency 2970 MHz, Insertion Loss 3 dB, Upper Rejection 40 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MC4A2970F4FCA can be seen below.