The WRCGV10-843-855-865-877-80-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 855 to 865 MHz, Bandwidth 10 MHz, Insertion Loss 1 to 1.5 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-843-855-865-877-80-1 can be seen below.