The WBLB-T-BP-900-100-L from A-Info is a Band Pass Filter with Frequency 850 to 950 MHz, Insertion Loss 2.4 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WBLB-T-BP-900-100-L can be seen below.