The WBLB-T-BP-50-20/1.5-L from A-Info is a Band Pass Filter with Frequency 40 to 60 MHz, Insertion Loss 2 dB, Rejection 65 to 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WBLB-T-BP-50-20/1.5-L can be seen below.