The WBCDB5-1618.5-1638.5-1648.5-1668.5-60 from Wainwright Instruments is a Band Pass Filter with Frequency 1.6385 to 1.6485 GHz, Bandwidth 10 MHz, Center Frequency 1.6435 GHz, Insertion Loss 1.5 to 1.75 dB, Rejection 60 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCDB5-1618.5-1638.5-1648.5-1668.5-60 can be seen below.