The WRCT16-843.5-844.5-849.5-850.5-40-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 844.5 to 849.5 MHz, Bandwidth 5 MHz, Insertion Loss 1 to 2.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT16-843.5-844.5-849.5-850.5-40-1 can be seen below.