The WBLB-T-BP-4400-200-7C from A-Info is a Band Pass Filter with Frequency 4.3 to 4.5 GHz, Insertion Loss 1.2 dB, Rejection 38 to 38 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-4400-200-7C can be seen below.