The WTRCT10-1594-1610-10-15-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.59 to 1.61 GHz, Bandwidth 10 MHz, Insertion Loss 1.25 dB, Rejection 40 dB, Return Loss 14 dB. Tags: Module with Connectors, Cavity Filter, Notch Filter, Tunable Filter. More details for WTRCT10-1594-1610-10-15-40 can be seen below.