The WBLB-T-BP-9000-2000-11C from A-Info is a Band Pass Filter with Frequency 8 to 10 GHz, Insertion Loss 1 dB, Rejection 60 dB, VSWR 1.80:1, Operating_Temperature -30 to 70 Degree C. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-9000-2000-11C can be seen below.