The WBCGV6-1720-1740-1755-1775-40-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.74 to 1.755 GHz, Bandwidth 15 MHz, Center Frequency 1.7475 GHz, Insertion Loss 1.5 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-1720-1740-1755-1775-40-1 can be seen below.