The WBLB-T-BP-2250-500-9C from A-Info is a Band Pass Filter with Frequency 2 to 2.5 GHz, Insertion Loss 0.6 dB, Rejection 38 to 45 dB, VSWR 1.50:1, Operating_Temperature -40 to 70 Degree C. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-2250-500-9C can be seen below.