The WBCGV10-1830-1850-1910-1930-50-6 from Wainwright Instruments is a Band Pass Filter with Frequency 1.85 to 1.91 GHz, Bandwidth 60 MHz, Center Frequency 1.88 GHz, Insertion Loss 1.25 to 2 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV10-1830-1850-1910-1930-50-6 can be seen below.