The WBLB-T-BP-375-150-L from A-Info is a Band Pass Filter with Frequency 300 to 450 MHz, Insertion Loss 1.5 dB, Rejection 60 dB, VSWR 1.70:1. Tags: Module with Connectors, Lumped Component Filter. More details for WBLB-T-BP-375-150-L can be seen below.