The WTRCT8-758-798-10-20-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 758 to 798 MHz, Bandwidth 10 MHz, Insertion Loss 0.6 dB, Rejection 40 dB, Return Loss 14 dB. Tags: Module with Connectors, Cavity Filter, Notch Filter, Tunable Filter. More details for WTRCT8-758-798-10-20-40 can be seen below.