The WBCGV12-1747.4-1757.4-1777.4-1787.4-50 from Wainwright Instruments is a Band Pass Filter with Frequency 1.7574 to 1.7774 GHz, Bandwidth 20 MHz, Center Frequency 1.7674 GHz, Insertion Loss 3.5 to 4.5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1747.4-1757.4-1777.4-1787.4-50 can be seen below.