The WRCT16-775-777-787-789-75-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 777 to 787 MHz, Bandwidth 10 MHz, Insertion Loss 1 to 3 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT16-775-777-787-789-75-1 can be seen below.