The WRCGV12-683-703-803-823-50-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 703 to 803 MHz, Bandwidth 100 MHz, Insertion Loss 1.25 to 2 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-683-703-803-823-50-2 can be seen below.