The WRCJV8-5665-5725-5850-5910-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 5.73 to 5.85 GHz, Bandwidth 125 MHz, Insertion Loss 1.5 dB, Rejection 50 dB, Return Loss 12 dB. Tags: Module with Connectors, Cavity Filter, Notch Filter. More details for WRCJV8-5665-5725-5850-5910-50 can be seen below.