The WRCJV6-2510-2530-2540-2560-50-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.53 to 2.54 GHz, Bandwidth 10 MHz, Insertion Loss 0.75 to 1 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV6-2510-2530-2540-2560-50-1 can be seen below.