The WRCJV8-5509.5-5527.5-5547.5-5565.5-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 5.5275 to 5.5475 GHz, Bandwidth 20 MHz, Insertion Loss 1.5 to 2.25 dB, Rejection 40 dB, VSWR 1.67:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV8-5509.5-5527.5-5547.5-5565.5-40 can be seen below.