The WRCT8-736.9-737.4-737.6-738.1-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 737.4 to 737.6 MHz, Bandwidth 0.2 MHz, Insertion Loss 0.6 to 2.75 dB, Rejection 40 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-736.9-737.4-737.6-738.1-40 can be seen below.