The WRCJV8-5160-5190-5210-5240-50-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 5.19 to 5.21 GHz, Bandwidth 20 MHz, Insertion Loss 1.5 to 2.25 dB, Rejection 50 dB, VSWR 1.67:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV8-5160-5190-5210-5240-50-2 can be seen below.