The WBLB-T-BP-17250-500-13C from A-Info is a Band Pass Filter with Frequency 17 to 17.5 GHz, Insertion Loss 1.5 dB, Rejection 55 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-17250-500-13C can be seen below.