The MC6A1737F85HCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1695 to 1780 MHz, Bandwidth 85 MHz, Center Frequency 1737.5 MHz, Insertion Loss 2 dB, Upper Rejection 20 to 30 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MC6A1737F85HCA can be seen below.