The WBLB-T-BP-2800-1680-9C from A-Info is a Band Pass Filter with Frequency 1.96 to 3.64 GHz, Insertion Loss 0.6 dB, Rejection 60 to 68 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-2800-1680-9C can be seen below.