RF Venue Band-Pass Filter | Model: BPF470T530Band Pass Filter needs no power or user configuration. It can be connected in line with wireless mic antennas to reduce noise and improve performance. RF Venue band pass filters help eliminate "out of band" signals that can saturate the front end of wireless microphone receivers and can greatly improve dynamic range by reducing noise and third party interference outside the range of operation. Featuring industry standard BNC connectors and a small 3"