The WBLB-T-BP-11870-330/3-8C from A-Info is a Band Pass Filter with Frequency 11.705 to 12.035 GHz, Insertion Loss 1.8 dB, Rejection 50 to 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-11870-330/3-8C can be seen below.