The WBCGV12-1777.5-1787.5-1802.5-1812.5-50-2 from Wainwright Instruments is a Band Pass Filter with Frequency 1.7875 to 1.8025 GHz, Bandwidth 15 MHz, Center Frequency 1.795 GHz, Insertion Loss 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1777.5-1787.5-1802.5-1812.5-50-2 can be seen below.