The WBLB-T-BP-1747.5-75-5C from A-Info is a Band Pass Filter with Frequency 1.71 to 1.785 GHz, Insertion Loss 1.5 dB, Rejection 20 dB, VSWR 1.30:1. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-1747.5-75-5C can be seen below.