The WRCT8-801-803.5-808.5-811-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 803.5 to 808.5 MHz, Bandwidth 5 MHz, Insertion Loss 0.6 to 1.25 dB, Rejection 40 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-801-803.5-808.5-811-40-3 can be seen below.