The WBCGV12-1747.5-1757.5-1777.5-1787.5-50 from Wainwright Instruments is a Band Pass Filter with Frequency 1.7575 to 1.7775 GHz, Bandwidth 20 MHz, Center Frequency 1.7675 GHz, Insertion Loss 3.5 to 4.5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1747.5-1757.5-1777.5-1787.5-50 can be seen below.