The WTRCA6-410-430-0.1-0.7-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 410 to 430 MHz, Bandwidth 0.1 MHz, Insertion Loss 0.75 dB, Rejection 40 dB, Power 250 W. Tags: Module with Connectors, Cavity Filter, Notch Filter, Tunable Filter. More details for WTRCA6-410-430-0.1-0.7-40 can be seen below.