Brand: QVS. MPN: RCABNC-FM. This QVS RCABNC-FM RCA Female to BNC Male Coupler converts an RCA cable with a male to a connector for BNC video applications. This simple tool is designed for quick and easy use, while being built for reliable performance. This 75-ohm video coupler provides excellent picture quality for all video and home theater applications. When you need to convert between RCA and BNC, this is one of the quickest ways to accomplish it.