The WRCGV10-809-819-834-844-50-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 819 to 834 MHz, Bandwidth 15 MHz, Insertion Loss 1 to 1.25 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-809-819-834-844-50-2 can be seen below.