The WBLB-T-BP-350-184-L from A-Info is a Band Pass Filter with Frequency 258 to 442 MHz, Insertion Loss 1.1 dB, Rejection 90 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WBLB-T-BP-350-184-L can be seen below.