The WBCTB10-1715-1722.5-1742.5-1750-40-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.7225 to 1.7425 GHz, Bandwidth 20 MHz, Center Frequency 1.7325 GHz, Insertion Loss 2.5 to 3.5 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB10-1715-1722.5-1742.5-1750-40-1 can be seen below.