The WBCGV4-1561.5-1626.5-1660.5-1725.5-40-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.6265 to 1.6605 GHz, Bandwidth 34 MHz, Center Frequency 1.6435 GHz, Insertion Loss 0.65 to 0.75 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV4-1561.5-1626.5-1660.5-1725.5-40-1 can be seen below.