The WRCGV10-811.5-821.5-841.5-851.5-60 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 821.5 to 841.5 MHz, Bandwidth 20 MHz, Insertion Loss 1 to 1.5 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-811.5-821.5-841.5-851.5-60 can be seen below.