The WRCT8-702-704.5-709.5-712-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 704.5 to 709.5 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 WRCT8-702-704.5-709.5-712-40 can be seen below.