The MC4A1630F52FCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1604 to 1656 MHz, Bandwidth 52 MHz, Center Frequency 1630 MHz, Insertion Loss 3.5 dB, Upper Rejection 23 to 60 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MC4A1630F52FCA can be seen below.