The WRCGV5-843-855-865-877-35-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 855 to 865 MHz, Bandwidth 10 MHz, Insertion Loss 0.5 to 1 dB, Rejection 35 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-843-855-865-877-35-1 can be seen below.