The WRCT16-730-732-742-744-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 732 to 742 MHz, Insertion Loss 1 to 1.75 dB, Rejection 40 dB, VSWR 1.50:1, Center Frequency 737 MHz. Tags: Module with Connectors, Cavity Filter. More details for WRCT16-730-732-742-744-40 can be seen below.