The WBLB-T-BP-1723.5-21-5C from A-Info is a Band Pass Filter with Frequency 1.713 to 1.734 GHz, Insertion Loss 1 dB, Rejection 30 dB, Power 1 W, VSWR 1.30:1. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-1723.5-21-5C can be seen below.