The WBLB-T-BP-12925-750-7C from A-Info is a Band Pass Filter with Frequency 12.55 to 13.3 GHz, Insertion Loss 1 dB, Rejection 65 dB, VSWR 1.40:1, Operating_Temperature -40 to 60 Degree C. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-12925-750-7C can be seen below.