The WBLB-T-BP-375-250-L from A-Info is a Band Pass Filter with Frequency 250 to 500 MHz, Insertion Loss 1.5 dB, Rejection 60 dB, VSWR 1.50:1, Operating_Temperature -40 to 70 Degree C. Tags: Module with Connectors, Lumped Component Filter. More details for WBLB-T-BP-375-250-L can be seen below.