The WBLB-T-BP-1790-200-L from A-Info is a Band Pass Filter with Frequency 1.69 to 1.89 GHz, Insertion Loss 1.3 dB, Rejection 70 to 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WBLB-T-BP-1790-200-L can be seen below.