The WBCGV12-1794.9-1804.9-1824.9-1834.9-50 from Wainwright Instruments is a Band Pass Filter with Frequency 1.8049 to 1.8249 GHz, Bandwidth 20 MHz, Center Frequency 1.8149 GHz, Insertion Loss 3.5 to 4.5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1794.9-1804.9-1824.9-1834.9-50 can be seen below.