The LBF-1710/1785-1 from Leader-MW is a Band Pass Filter with Frequency 1.71 to 1.785 GHz, Insertion Loss 1.0 dB, Upper Rejection 30 dB, Lower Rejection 30 dB, VSWR 1.30:1. Tags: Module with Connectors, Cavity Filter. More details for LBF-1710/1785-1 can be seen below.