The LBF-PHS-12D from Leader-MW is a Band Pass Filter with Frequency 1.893 to 1.915 GHz, Insertion Loss 1.1 dB, Upper Rejection 47 dB, Lower Rejection 47 dB, VSWR 1.20:1. Tags: Module with Connectors, Cavity Filter. More details for LBF-PHS-12D can be seen below.