The WBLB-T-BP-10000-4000-10C from A-Info is a Band Pass Filter with Frequency 8 to 12 GHz, Insertion Loss 0.8 dB, Rejection 68 to 70 dB, VSWR 1.80:1. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-10000-4000-10C can be seen below.