The WBCTB10-1797.5-1805-1825-1832.5-40 from Wainwright Instruments is a Band Pass Filter with Frequency 1.805 to 1.825 GHz, Bandwidth 20 MHz, Center Frequency 1.815 GHz, Insertion Loss 2.5 to 3.5 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB10-1797.5-1805-1825-1832.5-40 can be seen below.