The WRCTV10-451.9-458.9-459.1-466.1-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 458.9 to 459.1 MHz, Bandwidth 0.2 MHz, Insertion Loss 0.75 to 2.5 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCTV10-451.9-458.9-459.1-466.1-50 can be seen below.