The WTRCT10-1710-1755-5-9-30 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.71 to 1.76 GHz, Bandwidth 5 MHz, Insertion Loss 1.25 dB, Rejection 30 dB, Return Loss 14 dB. Tags: Module with Connectors, Cavity Filter, Notch Filter, Tunable Filter. More details for WTRCT10-1710-1755-5-9-30 can be seen below.