The WTRCT8-815-875-5-8-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 815 to 875 MHz, Bandwidth 5 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 WTRCT8-815-875-5-8-40 can be seen below.