The WRCT16-894-895-900-901-40-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 895 to 900 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 WRCT16-894-895-900-901-40-4 can be seen below.