The WRCGV6-737-743-753-759-25 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 743 to 753 MHz, Bandwidth 10 MHz, Insertion Loss 0.65 to 1 dB, Rejection 25 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV6-737-743-753-759-25 can be seen below.