The WBLB-T-BP-870-84-L from A-Info is a Band Pass Filter with Frequency 828 to 912 MHz, Insertion Loss 1.8 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WBLB-T-BP-870-84-L can be seen below.