The WBLB-T-BP-2730-1250-9C from A-Info is a Band Pass Filter with Frequency 2.105 to 3.355 GHz, Insertion Loss 1 dB, Rejection 25 dB, VSWR 1.70:1. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-2730-1250-9C can be seen below.