The WBLB-T-BP-1300-13/3-3C from A-Info is a Band Pass Filter with Frequency 1.2935 to 1.3065 GHz, Insertion Loss 1.2 dB, Rejection 30 dB, VSWR 1.40:1. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-1300-13/3-3C can be seen below.