The WTRCD10-1710-1785-1.25-5.01-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.71 to 1.79 GHz, Bandwidth 1.25 MHz, Insertion Loss 1.25 dB, Rejection 50 dB, Return Loss 14 dB. Tags: Module with Connectors, Cavity Filter, Notch Filter, Tunable Filter. More details for WTRCD10-1710-1785-1.25-5.01-50 can be seen below.