Amazon.com: RCA and BNC Coaxial Adapter - BNC Female to RCA Male Connector, Adapter, Coupler, and Converter - for RG11, RG6, RG59, RG58, SDI, HD SDI, CCTV - 4 Pack : Electronics
TNP BNC to RCA Adapter Cable (6FT) - BNC Male to RCA Male RG59U 75 ohm Coaxial Composite Video Connector Jack Converter Adaptor Composite Video Cable : Amazon.in: Electronics
BNC Male to RCA Male Adapter Manufactured by Skywalker - Walmart.com