The WRCGV6-749-758-768-777-35-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 758 to 768 MHz, Bandwidth 10 MHz, Insertion Loss 0.65 to 1 dB, Rejection 35 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV6-749-758-768-777-35-2 can be seen below.