The WRCT16-847-849-859-861-40-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 849 to 859 MHz, Bandwidth 10 MHz, Insertion Loss 1 to 1.75 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT16-847-849-859-861-40-1 can be seen below.