The WRCT8-753-756-764-767-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 756 to 764 MHz, Bandwidth 8 MHz, Insertion Loss 0.6 to 1.75 dB, Rejection 40 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-753-756-764-767-40 can be seen below.