The WBCGV3-1321.5-1489-1504-1671.5-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.489 to 1.504 GHz, Bandwidth 15 MHz, Center Frequency 1.4965 GHz, Insertion Loss 0.75 to 2 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV3-1321.5-1489-1504-1671.5-50-1 can be seen below.