The WRCGV16-722-731-771-780-83 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 731 to 771 MHz, Insertion Loss 1.5 to 3 dB, Rejection 83 dB, VSWR 1.50:1, Center Frequency 751 MHz. Tags: Module with Connectors, Cavity Filter. More details for WRCGV16-722-731-771-780-83 can be seen below.