The WBLB-T-BP-5000-2000-11C from A-Info is a Band Pass Filter with Frequency 4 to 6 GHz, Insertion Loss 0.6 dB, Rejection 38 to 40 dB, VSWR 1.70:1. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-5000-2000-11C can be seen below.