The WBCTB10-1797.4-1804.9-1824.9-1832.4-40 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 2.5 to 3.5 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB10-1797.4-1804.9-1824.9-1832.4-40 can be seen below.