The WRCT16-741-743-753-755-75 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 743 to 753 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 WRCT16-741-743-753-755-75 can be seen below.