The WBCGV12-1727.5-1737.5-1752.5-1762.5-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.7375 to 1.7525 GHz, Bandwidth 15 MHz, Center Frequency 1.745 GHz, Insertion Loss 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1727.5-1737.5-1752.5-1762.5-50-1 can be seen below.