The WBLB-T-BP-16750-2500/3-5C from A-Info is a Band Pass Filter with Frequency 15.5 to 18 GHz, Insertion Loss 1 dB, Rejection 45 dB, VSWR 1.80:1, Operating_Temperature -40 to 70 Degree C. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-16750-2500/3-5C can be seen below.