The WRCJV12-5777.5-5785-5790-5797.5-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 5.785 to 5.79 GHz, Bandwidth 5 MHz, Insertion Loss 2 to 5 dB, Rejection 40 dB, VSWR 1.67:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV12-5777.5-5785-5790-5797.5-40 can be seen below.