The WBCGV12-1727.5-1737.5-1757.5-1767.5-50-3 from Wainwright Instruments is a Band Pass Filter with Frequency 1.7375 to 1.7575 GHz, Bandwidth 20 MHz, Center Frequency 1.7475 GHz, Insertion Loss 3.5 to 4.5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1727.5-1737.5-1757.5-1767.5-50-3 can be seen below.