The WRCTV10-482.9-489.9-490.1-497.1-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 489.9 to 490.1 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 WRCTV10-482.9-489.9-490.1-497.1-50 can be seen below.