The WTRCT8-807-869-5-10-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 807 to 869 MHz, Bandwidth 5 MHz, Insertion Loss 0.6 dB, Rejection 50 dB, Return Loss 14 dB. Tags: Module with Connectors, Cavity Filter, Notch Filter, Tunable Filter. More details for WTRCT8-807-869-5-10-50 can be seen below.