The WBLB-T-BP-1235-230-L from A-Info is a Band Pass Filter with Frequency 1.12 to 1.35 GHz, Insertion Loss 2.5 dB, Rejection 25 to 50 dB, VSWR 1.50:1, Operating_Temperature -40 to 80 Degree C. Tags: Module with Connectors, Lumped Component Filter. More details for WBLB-T-BP-1235-230-L can be seen below.